autosave plugin stores content only if it was really changed #6629
Fixed bug where the tabfocus plugin would prevent the user from suing Ctrl+Tab, Patch contributed by Andrew Ozz.
Fixed misspelling of aria-labelledby attribute.
Merge pull request #315 from stevenbg/master

autosave plugin stores content only if it was really changed #6629
Fixed potential crash with lastFocusBookmark during focusin event
Fixed issues when you try to switch state after an control has been removed.
Fixed bug where image selector formats wasn't properly handled by the importcss plugin.
Fixed so you don't need to set language option to false when specifying a custom language_url.
Fixed bug where the dirty state of the editor wasn't set when editing an existing link URL.
Fixed bug where it wasn't possible to prevent paste from happening by blocking the default behavior when the paste plugin was enabled.
Fixed bug where text to display in the insert/edit link dialog wouldn't be properly entity encoded.
Fixed bug where Safari 7 on Mac OS X would delete contents if you pressed Cmd+C since it passes out a charCode for the event.
Merge pull request #316 from FernCreek/lastFocusBookmarkFix

Fixed potential crash with lastFocusBookmark during focusin event
Fixed so auto url link creation in IE 8+ is disabled by default and re-enabled by the autolink plugin.
Bumped version requirement to IE 9 of the autourldetect disable.
Fixed bug where bound drop events inside inline editors would get fired on all editor instances instead of the specific instance.
Fixed bug where images outlined selection border would be clipped when the autoresize plugin was enabled.
Fixed broken unit test since the behavior has changed.
Fixed so ResizeEnd event gets fired on the ResizeHandle control.
Fixed broken unit test and old IE issue with autolink.