Add utility to show translation status of each language/app.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/13285044

git-svn-id: http://blockly.googlecode.com/svn/trunk@1312 c400ca83-b69d-9dd7-9705-49c6b8615e23
Concatenated messages that had been connected with '+' signs.  Removed newlines, which will be added dynamically to tooltips.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/13303044

git-svn-id: http://blockly.googlecode.com/svn/trunk@1313 c400ca83-b69d-9dd7-9705-49c6b8615e23
Removing injection vulnerability from capacity messages in trunk Maze.

R=spertus@google.com

Review URL: https://codereview.appspot.com/13260044

git-svn-id: http://blockly.googlecode.com/svn/trunk@1314 c400ca83-b69d-9dd7-9705-49c6b8615e23
Add interactivity to angle widget, point at an angle to get it.  Also, close widgets when native scrollbar is moved so that they don't get orphaned.

R=spertus@google.com

Review URL: https://codereview.appspot.com/13308045

git-svn-id: http://blockly.googlecode.com/svn/trunk@1316 c400ca83-b69d-9dd7-9705-49c6b8615e23