bugfixes for authoring+dates
dates refactoring 2.bugbixes for authoring
minor changes
review changes
merge with master
[HotFix] Keep the visual and data order of listboxitems in sync
Merge pull request #546 from Wahib/bug-fix-180

[HotFix] Keep the visual and data order of listboxitems in sync
Merge branch 'bugfixing' of git://github.com/GiorgiyLutidze/ChronoZoom into GiorgiyLutidze-bugfixing
Finalizing merge and resolving conflictS
Merge pull request #547 from a-chumagin/master

add tests for bug #528,526