fix testexhibit_should_allow_two_content_items_adding

fix Test_Eukaryotic_Cells_Description
[BugFix #660] getYMDFromCoordinate() and getCoordinateFromYMD() fixed. Fixed timescale behavior. Fixed unit-tests.
Merge pull request #754 from GiorgiyLutidze/bugfix744_2

bugfix for 744
Another bunch of fixes for tests
TracePathToRoot

improving TimelineSubtreeQuery
Merge pull request #753 from MichaelKalygin/bugfix660

[BugFix #660]
Bug #700: Empty collection retrieves default collection content
Merge pull request #755 from javierluraschi/Fix700

Bug #700: Empty collection retrieves default collection content
HotFix: SEO Home Link not working
Merge pull request #758 from javierluraschi/HotFixSeoLinks

HotFix: SEO Links not working
[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
Bug #699 Fixes + Root Collection url fix

SEO: Collection root is too empty which causes Bing to throw a SEO Analyzer error.
Root plus all pages without a guid now so the content from the root timeline to the crawler.

Cleaned up the way titles are printed to the crawler.
included test for searching
Revert "included test for searching"

This reverts commit 2767853d365256355365e243a265ae3227bec947.