Never apply a format to a bookmark node
Show selected state for video iframe elements (#6564)

http://www.tinymce.com/develop/bugtracker_view.php?id=6564
Added iframes get edited/added with the media plugin but aren't getting
added to the selector which triggers the highlight for the menu button.
Added in the iframe selector so that when you click on an added
video/iframe, the media button highlights.
Merge pull request #323 from monkeydiane/addVideoHighlight

Show selected state for video iframe elements (#6564)
Merge pull request #321 from nhammadi/master

Never apply a format to a bookmark node
Fixed bug where the formatter would merge span elements with parent bookmarks if an id format was used.
Added visual_anchor_class configuration option
Merge pull request #324 from nhammadi/master

Added visual_anchor_class configuration option
Prohibited mixed tabs and spaces in .jshintrc and fixed that in affected parts of the source files.
Fixed bug where WebKit/Blink browsers would scroll to the top of the editor when pasting into an empty element.
Fixed bug where removing the editor would cause an error about wrong document on IE 11 under specific circumstances.