Added tinymce new 4.1.0 release.

There is an official tinymce-dist bower package with new 4.1.0 release that supports bunch of new plugins (e.g. colorpicker). See here: http://www.tinymce.com/forum/viewtopic.php?id=33972. Link to the official repository: https://github.com/tinymce/tinymce-dist.