fix testexhibit_should_allow_two_content_items_adding

fix Test_Eukaryotic_Cells_Description
TracePathToRoot

improving TimelineSubtreeQuery
[Test] Fixed test.
Bug 760: Media Items do not render in SEO
Bug #761: Authoring not enabled when URL is not typed case-sensitive
Merge pull request #759 from MichaelKalygin/bugfix660

[Test] Fixed test.
Merge pull request #762 from javierluraschi/Fix761

Bug #761: Authoring not enabled when URL is not typed case-sensitive
Merge pull request #763 from jilarson/seo760

Bug 760: Media Items do not render in SEO
Merge branch 'master' of https://github.com/alterm4nn/ChronoZoom
included test for searching
Revert "included test for searching"

This reverts commit 2767853d365256355365e243a265ae3227bec947.
Merge pull request #756 from yl790/master

Revising TimelineSubtreeQuery
Merge pull request #767 from a-chumagin/master

	fix testexhibit_should_allow_two_content_items_adding
included test for searching
Merge pull request #764 from xanthics/master

#699 SEO: Collection root is too empty which causes Bing to throw a SEO Analyzer error
Merge pull request #768 from a-chumagin/master

included test for searching
Bug #621 API: Code in PutCollectionName API does not validate that user owns supercollection

Added check to make sure supercollection user is the same as user requesting to add a content item to supercollection.