Update TinyMCE to version 3.5.11

Remove tinymce example files

Merge pull request #13 from edwinvdgraaf/feature-show-advance-article-options

Check for correct rights when displaying advanced article options

Merge pull request #12 from edwinvdgraaf/feature-roles-and-right-improvement

Merge pull request #11 from edwinvdgraaf/feature-object-decoraters

Allow decoration of skyline objects

Redirect to first accessable content type instead

Do not show inaccessable items in content list

Do not render links to pages and media when user has insufficient rights

Merge branch 'configurable_user_class'

Merge branch 'entopiceditor'

Merge branch 'hardening_ro'

Merge remote-tracking branch 'other/master'

Allow for rmagick bugfix releases