Modified js_to_json.py to output synonyms.  For example:

Blockly.Msg.CONTROLS_WHILEUNTIL_INPUT_DO = Blockly.Msg.CONTROLS_REPEAT_INPUT_DO;

Also cleaned up and relocated some code in preparation for other changes.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/13792044

git-svn-id: http://blockly.googlecode.com/svn/trunk@1366 c400ca83-b69d-9dd7-9705-49c6b8615e23
Added script create_messages.py to generate <LANG>.js files from
<LANG>.json, en.json, and synonyms.json.  This depends on CL 13792044.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/13794044

git-svn-id: http://blockly.googlecode.com/svn/trunk@1367 c400ca83-b69d-9dd7-9705-49c6b8615e23
Use string references for block names so the compiler does not rename them.

R=spertus@google.com

Review URL: https://codereview.appspot.com/13235055

git-svn-id: http://blockly.googlecode.com/svn/trunk@1368 c400ca83-b69d-9dd7-9705-49c6b8615e23
Fix space in Plane app.  Add missing loop name to break code.

R=spertus@google.com

Review URL: https://codereview.appspot.com/13809043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1369 c400ca83-b69d-9dd7-9705-49c6b8615e23