Started 4.2 development.
Merge branch 'master' into major
Merge branch 'master' into major
Merge branch 'master' into major

Conflicts:
	CHANGES.md
	dev/builder/build.sh
Fire dataReady on editor#loadSnapshot.
Merge branch 't/10370' into major
Introduced editor#title and config#title that allow changing the human-readable title of the editor.
Clarified nuances of config.title.
Docs corrections.
Merge branch 't/10042' into major
Updated 4.2 changelog.
Merge branch 'master' into major
Fixed incorrect selection on IE and FF after replacing editable.
Removed unncessary hack.
There may be an empty selection without anchorNode (e.g. in non-editable doc).
Fixed initial selection on IE7&8.
Simplified implementation.
IE9 also throws unspecified error when getting active element.
Prevent infinitive recursion on IEs.
Merge branch 't/10438' into major