fix bug in converter and add two new themes
use ext/themelist.js in kitchen-sink demo
force editor text to be ltr
fixes #1429
Merge pull request #1716 from ajaxorg/force_ltr

force editor text to be ltr
Merge pull request #1702 from ajaxorg/themes

Themes
Merge remote-tracking branch 'upstream/master' into develop

Conflicts:
	demo/kitchen-sink/demo.js