Add (default) configuration for inlining the request contents into the result Scala script

[johannest]

So instead of separate request files, inline the content like shown below:

	var rpcPrefix = """{"csrfToken":"${seckey}","rpc":["""
	var rpcSuffix = """],"syncId":${syncId},"clientId":${clientId}}"""

	def createRpc(s: String): String = {
		rpcPrefix + s + rpcSuffix
	}
...
.exec(http("update selected tab")
	.post(uidlUrl)
	.headers(headers_4)
	.body(StringBody(createRpc(""""type":"publishedEventHandler","node":${tabsId},"templateEventMethodName":"updateSelectedTab","templateEventMethodArgs":[true]}"""))).asJSON
	.check(syncIdExtract).check(clientIdExtract))
.pause(200 milliseconds)