Fixed message shown when user clicks on trash can.
Added Pastebin integration.
TODO: Make it less ugly.
TODO: Set up some sort of proxy service to enable me to hide developer key.
Merge branch 'master' of github.com:espertus/blockly-lua
Removed spurious call to encodeURIComponent().
Removed functionality that closed dialog on key presses,
which interfered with changing the name of the paste.