Merge branch 'master' into exec-tests
Make a common _exec. Remove gecko's and webkit's versions.
Remove webkit/blink execCommand created span in _exec
Remove tridentPre7's _exec.
Merge branch 'exec-tests' into exec-funny-stuff
Merge branch 'skipFunc' into exec-funny-stuff
Fix _exec when selected container is body.
Merge branch 'master' into exec-funny-stuff
Merge branch 'master' into exec-funny-stuff
Rewritten exec_manipulation tests.
exec-manipulation constants unlink, superscript and subscript.
_exec: allow insertion of images in the body.
Merge branch 'master' into exec-manipulations
_exec: Allow FORMAT_BLOCK directly in the body.
Move unlink test to links.js file.
Rename exec toggles test file.
Slightly clearer code comment on exec_commands constant.
Merge branch 'exec-manipulations' into issue_512_with_exec-manipulations

Conflicts:
	src/test/unit/specific_feature_tests/exec_manipulations.js
Test undo/redo on exec-toggles tests.