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This include dependencies updated to the latest versions.

Originally set to SIGKILL. In versions of the server executable from pyinstaller it creates a child subprocess that was not killed, so SIGTERM allows for clean up on all platforms.

Updated the start script to set the file directory to the project root directory.
Updated unit test.

Conflicts resolved:
	blockly/blocks/lists.js
	blockly/blocks/logic.js
	blockly/blocks/loops.js
	blockly/blocks/math.js
	blockly/blocks/text.js
	blockly/blocks/variables.js
	blockly/demos/blockfactory/blocks.js

Also increased version of electron used.
Updated boilerplate with latest changes from https://github.com/szwacz/electron-boilerplate

Handle non ascii characters in keys with an error.

Instead of a hard to handle UnicodeEncodeError exception, check the keys and
print a human readable error. Turn more format strings into utf-8 to avoid the
exception.

Fixes #116

For keys:
* "CONTROLS_FOREACH_HELPURL": "https://github.com/google/blockly/wiki/Loops#for-each",
* "MATH_CONSTRAIN_HELPURL": "https://en.wikipedia.org/wiki/Clamping_%28graphics%29",
* "LISTS_ISEMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#is-empty",

Update the Electron application to launch the Ardublockly server.
Update Electron application to allow to stop and reset server in developer mode.
Remove unnecesary files from the Electron boilerplate.
Update the version of prebuilt-electron
Update the build scripts to generate shell launch scripst for the Electron app.
Set circleci build server to use node.js 0.12.4
Set fs-jetpack electron dependency to 0.6.5

Updates to the ardublocklyserver package to follow naming convenctions.

This commit goes hand-in-hand with the previous. They were separated in order to ensure git correctly captured in the history the file renames instead of thinking there were deletions and new files created.

This commit on its own break ardublocklyserver, it is only pushed together with the next chronological commit.

Good foundation to expand in the future.

Also added unicode file parsing for ServerCompilersettings configparser.