Added Farsi (fa), Italian (it), and Russian (ru)
to BlocklyApps.LANGUAGE_PACK and Code app.
Added Farsi, Italian, Russian, and Ukrainian to Turtle.
Added Farsi, Italian, and Russian to Plane.
Added Romanian (ro) to Puzzle.
TODO: Add Farsi, Italian, and Russian to Graph app once prior CL
is checked in.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/18140043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1456 c400ca83-b69d-9dd7-9705-49c6b8615e23
Improved error message.
This was motivated by my not understanding the cause when I got it.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/18720045

git-svn-id: http://blockly.googlecode.com/svn/trunk@1457 c400ca83-b69d-9dd7-9705-49c6b8615e23
Fixes issue 170 [https://code.google.com/p/blockly/issues/detail?id=170].  Generated functions are now included.

R=spertus@google.com

Review URL: https://codereview.appspot.com/19450043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1458 c400ca83-b69d-9dd7-9705-49c6b8615e23
Add Farsi, Italian, and Russian to Graph app.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/19490043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1459 c400ca83-b69d-9dd7-9705-49c6b8615e23
In Puzzle, make incorrect block blink instead of just highlight.

R=spertus@google.com

Review URL: https://codereview.appspot.com/19480044

git-svn-id: http://blockly.googlecode.com/svn/trunk@1460 c400ca83-b69d-9dd7-9705-49c6b8615e23
Made mathematical symbols and trig function names subject to translation.
For justification, see:

http://math.stackexchange.com/questions/389526/are-the-names-and-symbols-for-common-mathematical-operators-the-same-in-every-la
http://translatewiki.net/wiki/Thread:User_talk:MS/Thank_you_from_Blockly!/reply_(15)

Note: the *compressed.js files may contain changes from other CLs.
There's no good reason for changes to {javascript,python}_compressed.js.
I did not do a good job keeping track of those changes.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/19530043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1461 c400ca83-b69d-9dd7-9705-49c6b8615e23