diff --git a/gui/package-lock.json b/gui/package-lock.json
index 5654d59c..50ddfa19 100644
--- a/gui/package-lock.json
+++ b/gui/package-lock.json
@@ -1710,6 +1710,11 @@
         }
       }
     },
+    "base-64": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/base-64/-/base-64-0.1.0.tgz",
+      "integrity": "sha512-Y5gU45svrR5tI2Vt/X9GPd3L0HNIKzGu202EjxrXMpuc2V2CiKgemAbUUsqYmZJvPtCXoUKjNZwBJzsNScUbXA=="
+    },
     "base64-js": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.1.tgz",
@@ -1733,22 +1738,6 @@
       "resolved": "https://registry.npmjs.org/blueimp-md5/-/blueimp-md5-2.12.0.tgz",
       "integrity": "sha512-zo+HIdIhzojv6F1siQPqPFROyVy7C50KzHv/k/Iz+BtvtVzSHXiMXOpq2wCfNkeBqdCv+V8XOV96tsEt2W/3rQ=="
     },
-    "bplist-creator": {
-      "version": "0.0.8",
-      "resolved": "https://registry.npmjs.org/bplist-creator/-/bplist-creator-0.0.8.tgz",
-      "integrity": "sha512-Za9JKzD6fjLC16oX2wsXfc+qBEhJBJB1YPInoAQpMLhDuj5aVOv1baGeIQSq1Fr3OCqzvsoQcSBSwGId/Ja2PA==",
-      "requires": {
-        "stream-buffers": "~2.2.0"
-      }
-    },
-    "bplist-parser": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/bplist-parser/-/bplist-parser-0.2.0.tgz",
-      "integrity": "sha512-z0M+byMThzQmD9NILRniCUXYsYpjwnlO8N5uCFaCqIOpqRsJCrQL9NK3JsD67CN5a08nF5oIL2bD6loTdHOuKw==",
-      "requires": {
-        "big-integer": "^1.6.44"
-      }
-    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -5483,6 +5472,44 @@
         "lodash": "^4.17.15"
       }
     },
+    "react-native-fetch-blob": {
+      "version": "0.10.8",
+      "resolved": "https://registry.npmjs.org/react-native-fetch-blob/-/react-native-fetch-blob-0.10.8.tgz",
+      "integrity": "sha1-T8JWq64MtfEOfEHyjBGz/zMNcqk=",
+      "requires": {
+        "base-64": "0.1.0",
+        "glob": "7.0.6"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "7.0.6",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.0.6.tgz",
+          "integrity": "sha512-f8c0rE8JiCxpa52kWPAOa3ZaYEnzofDzCQLCn3Vdk0Z5OVLq3BsRFJI4S4ykpeVW6QMGBUkMeUpoEgWnMTnw5Q==",
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.2",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        }
+      }
+    },
+    "react-native-fs": {
+      "version": "2.20.0",
+      "resolved": "https://registry.npmjs.org/react-native-fs/-/react-native-fs-2.20.0.tgz",
+      "integrity": "sha512-VkTBzs7fIDUiy/XajOSNk0XazFE9l+QlMAce7lGuebZcag5CnjszB+u4BdqzwaQOdcYb5wsJIsqq4kxInIRpJQ==",
+      "requires": {
+        "base-64": "^0.1.0",
+        "utf8": "^3.0.0"
+      }
+    },
+    "react-native-image-base64": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/react-native-image-base64/-/react-native-image-base64-0.1.4.tgz",
+      "integrity": "sha512-WLdzwHdXFRLS9VStG1CG46+t+fcInjVWxKd1+AATElBhaAS3zwDHz7mYIZS1OX4VMuNClwl5G8dowuqUJ9aMGQ=="
+    },
     "react-native-view-shot": {
       "version": "2.6.0",
       "resolved": "https://registry.npmjs.org/react-native-view-shot/-/react-native-view-shot-2.6.0.tgz",
@@ -6237,13 +6264,45 @@
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
     },
     "simple-plist": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/simple-plist/-/simple-plist-1.1.0.tgz",
-      "integrity": "sha512-2i5Tc0BYAqppM7jVzmNrI+aEUntPolIq4fDgji6WuNNn1D/qYdn2KwoLhZdzQkE04lu9L5tUoeJsjuJAvd+lFg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/simple-plist/-/simple-plist-1.3.1.tgz",
+      "integrity": "sha512-iMSw5i0XseMnrhtIzRb7XpQEXepa9xhWxGUojHBL43SIpQuDQkh3Wpy67ZbDzZVr6EKxvwVChnVpdl8hEVLDiw==",
       "requires": {
-        "bplist-creator": "0.0.8",
-        "bplist-parser": "0.2.0",
-        "plist": "^3.0.1"
+        "bplist-creator": "0.1.0",
+        "bplist-parser": "0.3.1",
+        "plist": "^3.0.5"
+      },
+      "dependencies": {
+        "base64-js": {
+          "version": "1.5.1",
+          "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+          "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
+        },
+        "bplist-creator": {
+          "version": "0.1.0",
+          "resolved": "https://registry.npmjs.org/bplist-creator/-/bplist-creator-0.1.0.tgz",
+          "integrity": "sha512-sXaHZicyEEmY86WyueLTQesbeoH/mquvarJaQNbjuOQO+7gbFcDEWqKmcWA4cOTLzFlfgvkiVxolk1k5bBIpmg==",
+          "requires": {
+            "stream-buffers": "2.2.x"
+          }
+        },
+        "bplist-parser": {
+          "version": "0.3.1",
+          "resolved": "https://registry.npmjs.org/bplist-parser/-/bplist-parser-0.3.1.tgz",
+          "integrity": "sha512-PyJxiNtA5T2PlLIeBot4lbp7rj4OadzjnMZD/G5zuBNt8ei/yCU7+wW0h2bag9vr8c+/WuRWmSxbqAl9hL1rBA==",
+          "requires": {
+            "big-integer": "1.6.x"
+          }
+        },
+        "plist": {
+          "version": "3.0.5",
+          "resolved": "https://registry.npmjs.org/plist/-/plist-3.0.5.tgz",
+          "integrity": "sha512-83vX4eYdQp3vP9SxuYgEM/G/pJQqLUz/V/xzPrzruLs7fz7jxGQ1msZ/mg1nwZxUSuOp4sb+/bEIbRrbzZRxDA==",
+          "requires": {
+            "base64-js": "^1.5.1",
+            "xmlbuilder": "^9.0.7"
+          }
+        }
       }
     },
     "slash": {
@@ -6846,6 +6905,11 @@
       "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
       "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ=="
     },
+    "utf8": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/utf8/-/utf8-3.0.0.tgz",
+      "integrity": "sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ=="
+    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
diff --git a/gui/yarn.lock b/gui/yarn.lock
index 3552dae2..60499eda 100644
--- a/gui/yarn.lock
+++ b/gui/yarn.lock
@@ -1276,11 +1276,16 @@ base-64@0.1.0, base-64@^0.1.0:
   resolved "https://registry.yarnpkg.com/base-64/-/base-64-0.1.0.tgz#780a99c84e7d600260361511c4877613bf24f6bb"
   integrity sha1-eAqZyE59YAJgNhURxId2E78k9rs=
 
-base64-js@^1.1.2, base64-js@^1.2.3:
+base64-js@^1.1.2:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
   integrity sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==
 
+base64-js@^1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
+  integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
+
 base@^0.11.1:
   version "0.11.2"
   resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
@@ -1301,29 +1306,29 @@ basic-auth@~2.0.0:
   dependencies:
     safe-buffer "5.1.2"
 
-big-integer@^1.6.44:
-  version "1.6.47"
-  resolved "https://registry.yarnpkg.com/big-integer/-/big-integer-1.6.47.tgz#e1e9320e26c4cc81f64fbf4b3bb20e025bf18e2d"
-  integrity sha512-9t9f7X3as2XGX8b52GqG6ox0GvIdM86LyIXASJnDCFhYNgt+A+MByQZ3W2PyMRZjEvG5f8TEbSPfEotVuMJnQg==
+big-integer@1.6.x:
+  version "1.6.51"
+  resolved "https://registry.yarnpkg.com/big-integer/-/big-integer-1.6.51.tgz#0df92a5d9880560d3ff2d5fd20245c889d130686"
+  integrity sha512-GPEid2Y9QU1Exl1rpO9B2IPJGHPSupF5GnVIP0blYvNOMer2bTvSWs1jGOUg04hTmu67nmLsQ9TBo1puaotBHg==
 
 blueimp-md5@^2.10.0:
   version "2.12.0"
   resolved "https://registry.yarnpkg.com/blueimp-md5/-/blueimp-md5-2.12.0.tgz#be7367938a889dec3ffbb71138617c117e9c130a"
   integrity sha512-zo+HIdIhzojv6F1siQPqPFROyVy7C50KzHv/k/Iz+BtvtVzSHXiMXOpq2wCfNkeBqdCv+V8XOV96tsEt2W/3rQ==
 
-bplist-creator@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/bplist-creator/-/bplist-creator-0.0.8.tgz#56b2a6e79e9aec3fc33bf831d09347d73794e79c"
-  integrity sha512-Za9JKzD6fjLC16oX2wsXfc+qBEhJBJB1YPInoAQpMLhDuj5aVOv1baGeIQSq1Fr3OCqzvsoQcSBSwGId/Ja2PA==
+bplist-creator@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/bplist-creator/-/bplist-creator-0.1.0.tgz#018a2d1b587f769e379ef5519103730f8963ba1e"
+  integrity sha512-sXaHZicyEEmY86WyueLTQesbeoH/mquvarJaQNbjuOQO+7gbFcDEWqKmcWA4cOTLzFlfgvkiVxolk1k5bBIpmg==
   dependencies:
-    stream-buffers "~2.2.0"
+    stream-buffers "2.2.x"
 
-bplist-parser@0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/bplist-parser/-/bplist-parser-0.2.0.tgz#43a9d183e5bf9d545200ceac3e712f79ebbe8d0e"
-  integrity sha512-z0M+byMThzQmD9NILRniCUXYsYpjwnlO8N5uCFaCqIOpqRsJCrQL9NK3JsD67CN5a08nF5oIL2bD6loTdHOuKw==
+bplist-parser@0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/bplist-parser/-/bplist-parser-0.3.1.tgz#e1c90b2ca2a9f9474cc72f6862bbf3fee8341fd1"
+  integrity sha512-PyJxiNtA5T2PlLIeBot4lbp7rj4OadzjnMZD/G5zuBNt8ei/yCU7+wW0h2bag9vr8c+/WuRWmSxbqAl9hL1rBA==
   dependencies:
-    big-integer "^1.6.44"
+    big-integer "1.6.x"
 
 brace-expansion@^1.1.7:
   version "1.1.11"
@@ -4111,14 +4116,13 @@ pkg-up@^2.0.0:
   dependencies:
     find-up "^2.1.0"
 
-plist@^3.0.0, plist@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/plist/-/plist-3.0.1.tgz#a9b931d17c304e8912ef0ba3bdd6182baf2e1f8c"
-  integrity sha512-GpgvHHocGRyQm74b6FWEZZVRroHKE1I0/BTjAmySaohK+cUn+hZpbqXkc3KWgW3gQYkqcQej35FohcT0FRlkRQ==
+plist@^3.0.0, plist@^3.0.5:
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/plist/-/plist-3.0.5.tgz#2cbeb52d10e3cdccccf0c11a63a85d830970a987"
+  integrity sha512-83vX4eYdQp3vP9SxuYgEM/G/pJQqLUz/V/xzPrzruLs7fz7jxGQ1msZ/mg1nwZxUSuOp4sb+/bEIbRrbzZRxDA==
   dependencies:
-    base64-js "^1.2.3"
+    base64-js "^1.5.1"
     xmlbuilder "^9.0.7"
-    xmldom "0.1.x"
 
 plugin-error@^0.1.2:
   version "0.1.2"
@@ -4805,13 +4809,13 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
 simple-plist@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/simple-plist/-/simple-plist-1.1.0.tgz#8354ab63eb3922a054c78ce96c209c532e907a23"
-  integrity sha512-2i5Tc0BYAqppM7jVzmNrI+aEUntPolIq4fDgji6WuNNn1D/qYdn2KwoLhZdzQkE04lu9L5tUoeJsjuJAvd+lFg==
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/simple-plist/-/simple-plist-1.3.1.tgz#16e1d8f62c6c9b691b8383127663d834112fb017"
+  integrity sha512-iMSw5i0XseMnrhtIzRb7XpQEXepa9xhWxGUojHBL43SIpQuDQkh3Wpy67ZbDzZVr6EKxvwVChnVpdl8hEVLDiw==
   dependencies:
-    bplist-creator "0.0.8"
-    bplist-parser "0.2.0"
-    plist "^3.0.1"
+    bplist-creator "0.1.0"
+    bplist-parser "0.3.1"
+    plist "^3.0.5"
 
 slash@^2.0.0:
   version "2.0.0"
@@ -4943,7 +4947,7 @@ static-extend@^0.1.1:
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
   integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
 
-stream-buffers@~2.2.0:
+stream-buffers@2.2.x:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/stream-buffers/-/stream-buffers-2.2.0.tgz#91d5f5130d1cef96dcfa7f726945188741d09ee4"
   integrity sha1-kdX1Ew0c75bc+n9yaUUYh0HQnuQ=
@@ -5424,11 +5428,6 @@ xmldoc@^0.4.0:
   dependencies:
     sax "~1.1.1"
 
-xmldom@0.1.x:
-  version "0.1.27"
-  resolved "https://registry.yarnpkg.com/xmldom/-/xmldom-0.1.27.tgz#d501f97b3bdb403af8ef9ecc20573187aadac0e9"
-  integrity sha1-1QH5ezvbQDr4757MIFcxh6rawOk=
-
 xpipe@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/xpipe/-/xpipe-1.0.5.tgz#8dd8bf45fc3f7f55f0e054b878f43a62614dafdf"