fix bug 795272 - Convert non-breaking spaces in header ids to underscores
Merge pull request #2785 from trevorhobson/bug795272

Bug 795272 - Convert non-breaking spaces in headers ids to underscores
fix bug 1065965 - When disabled, saving buttons must have a clear "disabled" look

CKEditor buttons are now enabled/disabled appropriately.
Merge pull request #2744 from rubenvereecken/new-issue-1065965

fix bug 1065965 - When disabled, CKEditor saving buttons must have a clear disabled look