Started 4.4 development.
Merge branch 'master' into major
Merge branch 'master' into major

Conflicts:
	CHANGES.md
Merge branch 'master' into major
Merge branch 'master' into major

Conflicts:
	CHANGES.md
Merge branch 'master' into major
Introduced tools.transparentImageData.
Decoded data URI so it will be possible to use it in CSS too.
Use transparentImageData instead of spacer.gif.
Changelog entry.
Merge branch 't/11225' into major
Merge branch 'master' into major
Use fake objects for empty anchors on every browser.
Since 4.0 data processor and its filters always exist.
Removed function which is no longer used.
Updated deprecated docs version to planned milestone.
Updated onShow method. It was failing for anchor with innertext in IEs.
Added fake anchor selection after its inserting for IE.
Code simplification + moved variable initialization.
Extended createFakeAnchor to avoid redundant code.