diff --git a/README.md b/README.md
index 9917198..0cab200 100644
--- a/README.md
+++ b/README.md
@@ -178,6 +178,8 @@ Signing the Release!
 reasons won't be shared... You can make your own by typing the following into a terminal
 on the Hub* `usign -G -p ./.signing.pubkey -s ./.signing.secret`. *Obviously, don't share it.*
 
+***Note to those who haven't done this before** The key is stored on lastpass 
+
 
 You have to do this bit from the command line on a hub, so as to have access to the `usign`
 utility. With the zip file copied onto the Hub, rename it to `hub-update.zip`:
@@ -189,7 +191,7 @@ $ mv OpenWRT-HubPlusConfig-0.0.0.zip hub-update.zip hub-update.zip
 ```
 
 Then create a signature (this will take approx. 10 seconds) and then verify that it
-works good (another 10s or so):
+works good (another 10s or so). Note: there will be no feedback from the first command, so wait manually 10 seconds, check with `ls` that there is now a file called `hub-update.zip.sig ` then you can run the second command. Otherwise you will get the output `Cannot open file './hub-update.zip.sig' for reading`
 
 ```
 $ usign -S -m ./hub-update.zip -s ./.signing.secret
diff --git a/src/VERSION b/src/VERSION
index bad5298..cf59043 100755
--- a/src/VERSION
+++ b/src/VERSION
@@ -1,2 +1,2 @@
 #!/usr/bin/env sh
-export HUB_VERSION='master'
+export HUB_VERSION='2.0.5'
diff --git a/src/scratchx b/src/scratchx
deleted file mode 160000
index db5afc9..0000000
--- a/src/scratchx
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit db5afc9c7da854036babc48a4e6192c24d4b0f9e
diff --git a/src/www/index.html b/src/www/index.html
index b857836..c879493 100644
--- a/src/www/index.html
+++ b/src/www/index.html
@@ -191,19 +191,6 @@ <h2 class="subhead">&nbsp;Command Hub&plus;</h2>
 
 
         <div class="container">
-            <a href="/scratchx/index.html?url=scratch_extensions/martyExtended.js#scratch" style="text-decoration: none !important;">
-                <div class="card">
-                    <div class="row">
-                        <div class="col" style="width: 11em;">
-                            <img src="./res/scratchlogo.png" id="scratchlogo">
-                        </div>
-                        <div class="col" style="text-align: right; padding-top: 1em; color: #222;">
-                            <span class="clicktext">Click here to open ScratchX &nbsp; &longrightarrow;</span>
-                        </div>
-                    </div>
-                </div>
-            </a>
-
             <a href="/scratch3/index.html?marty_ip=192.168.8.1" style="text-decoration: none !important;">
                 <div class="card secondary">
                     <div class="row">
@@ -216,59 +203,7 @@ <h2 class="subhead">&nbsp;Command Hub&plus;</h2>
                     </div>
                 </div>
             </a>
-            <div class="card secondary">
-                <a id="contentShow" onclick="showHideChallenges()" style="color: #aaa; display: block; padding: 1rem 0; text-align: center; text-decoration: none !important; cursor: pointer;">
-                    <div style="font-size: 3em; padding-bottom: 0.2em;">&plus;</div>
-                    Click to show Scratch Challenges&hellip;
-                </a>
-                <div id="contentHide" style="display: none;">
-                    
-                    <h1>Marty Scratch Challenges</h1>
-                    <p>
-                        <a href="/scratchx/index.html?url=scratch_extensions/martyBasic.js#scratch">Main Scratch Interface</a><br/ >
-                        <a href="/scratchx/index.html?url=scratch_extensions/martyExtended.js#scratch">Extended commands</a><br />
-                        <a href="/scratchx/index.html?url=scratch_extensions/martyWalk.js#scratch">Walk Challenge</a><br />
-                        <!--<a href="/scratchx/index.html?url=scratch_extensions/martyDemo.js#scratch">Scratch Demo</a><br />-->
-                    </p>
-
-                    <h2>Examples Sheet</h2>
-                    <a href="/scratchx/ChallengeOutlines.pdf" target="_blank">Here</a> is a big document showing lots of things you can do with Scratch and Marty.
-
-                    <h2>Starter projects</h2>
-                    <h3>Basic Movements</h3>
-                    <a href="/scratchx/index.html?url=scratch_extensions/basics-01.sbx#scratch">Making Marty move</a> <br/>
-                    <a href="/scratchx/index.html?url=scratch_extensions/basics-02.sbx#scratch">Try out loops!</a><br />
-                    <a href="/scratchx/index.html?url=scratch_extensions/basics-03.sbx#scratch">Make a function</a>
-
-                    <h3>Walk Challenge</h3>
-                    <p>
-                        We challenge you to make Marty walk, but you're not allowed to just use the walk command!<br />
-                        You'll need to think about balance and how Marty moves, and you'll actually teach a robot to walk!</p>
-                    <p><a href="/scratchx/index.html?url=scratch_extensions/walkChallenge-01.sbx#scratch">Intro with instructions</a></p>
-                    Once you're through the basics, try the following!:
-                    <ul>
-                        <li>Try using the "Move <i>joint</i>..." block to make your own movement, and define it in a function</li>
-                        <li>Try making a step function that makes marty turn. See if you can get it to take an <i>argument</i> - in this case a number input - to vary the amount it turns</li>
-                        <li>If the turn amount is too large, Marty might get into trouble. How can you make sure that doesn't happen?</li>
-                    </ul>
-
-                    <h3>Reading Sensors</h3>
-                    <p>These two examples assume you have some bump switches connected - ideally a forward facing one on Input 0, and a ground contact (downward facing) one on Input 1<br />
-                        <a href="/scratchx/index.html?url=scratch_extensions/sensors-01.sbx#scratch">Reading a bump switch and reacting</a><br />
-                        <a href="/scratchx/index.html?url=scratch_extensions/sensors-01a.sbx#scratch">Detecting a ledge (and not walking off!)</a>
-                    </p>
-                    <a href="/scratchx/index.html?url=scratch_extensions/sensors-02.sbx#scratch">Reading motor current</a>
 
-                    <h2>Complete examples</h2>
-                    <a href="/scratchx/index.html?url=scratch_extensions/graphTest.sbx#scratch">Showing a graph of force on the arm</a><br />
-                    <a href="/scratchx/index.html?url=scratch_extensions/handshake-basic.sbx#scratch">Simple Handshake</a><br />
-                    <a href="/scratchx/index.html?url=scratch_extensions/handshake-full.sbx#scratch">Complex Handshake</a>
-
-                    <br><br>
-                </div>
-            </div>
-
-            
             <div class="row">
                 <div class="col" style="width: 50%;min-width:200px;text-align:center">
                     <a href="/tools/rc/index.html" style="color:#222;">