Adding angle input field (wraps input between 0-360, adds degree symbol).  Fixes number input to validate on loss of focus.  Adds LTR/RTL toggle to Block Factory.  Moves WidgetDiv to own file.

R=spertus@google.com

Review URL: https://codereview.appspot.com/13210043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1270 c400ca83-b69d-9dd7-9705-49c6b8615e23
Updating compiled files after last CL

git-svn-id: http://blockly.googlecode.com/svn/trunk@1271 c400ca83-b69d-9dd7-9705-49c6b8615e23