Refs #4014. Begining ckeditor plugin.
Refs #4014. Added CKEditor as vendor.
Refs 4014. Remade tinymce javascript for ckeditor.
Refs #4014. Limited toolbar buttons.
Refs #4014. Added word count behavior, and some more configuration options.
Refs #4014. CKEditor default skins are ugly. Added BootstrapCK-Skin.
Refs #4014. Styled CKEditor.
Refs #4014. Embed custom insert js for CKEditor.
Refs #4014. Removed TinyMCE plugin.
Refs #4014. Removed tinymce ocurrences from the other plugins.
Refs #4014. Changed description, website and minium elgg release in CKEditor manifest.
Refs #4014. Moved CKEditor anonymous wordcount funciton and config outside of init function.
removed files that were added to tinymce after original ckeditor work
cleaned up references to WYSIWYG editors in htmlawed plugin
we need to find a better way to set the height for blog writing
pulling content css from the appropriate css element views
Upgrade ckeditor to 3.6.6
removed advanced tabs because we filter what users put in
Merge pull request #507 from cash/pr-315

Rebased pull request 315 - replaching tinymce with ckeditor