Added helper function Blockly.Blocks.prototype.changeOutput() to
improve abstraction.  Included a sample use in text.js.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/42950043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1565 c400ca83-b69d-9dd7-9705-49c6b8615e23
Incorporated latest translatewiki changes.
Catalan, Hebrew, and Thai are now complete.

R=neil.fraser@gmail.com

Review URL: https://codereview.appspot.com/40510050

git-svn-id: http://blockly.googlecode.com/svn/trunk@1566 c400ca83-b69d-9dd7-9705-49c6b8615e23
Add method to remove a title from an input.

R=spertus@google.com

Review URL: https://codereview.appspot.com/43270043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1567 c400ca83-b69d-9dd7-9705-49c6b8615e23
Don't generate parens around NONE-NONE and ATOMIC-ATOMIC pairs.

R=philhwagner@gmail.com

Review URL: https://codereview.appspot.com/43640043

git-svn-id: http://blockly.googlecode.com/svn/trunk@1568 c400ca83-b69d-9dd7-9705-49c6b8615e23