Updated remaining license notes from LICENSE.html to md.
Started 4.2.2 development.
More robust way of normalizing range limits.
Changelog entry.
Merge branch 't/10812b'
Corrected spaces mixed with tabs.
Fixed styles formatting.
Build config update: include indentlist and indentlist instead generic indent plugin.
Merge branch 't/10914'
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Update filter value in editor_iequirks.css.
Changelog entry.
Merge branch 't/10915'
Make img:hover style invalid for IE8 to avoid crashes.
Changelog entry.
Merge branch 't/10868'
Removed sensless code - in MSIE selection's block we cannot get selection by window.getSelection.
Changelog entry.
Merge branch 't/10910'
Changed error message for unsaved changes, fixing #9314.