merge branches

Fix tour tests
Add test for bing search (images)
Add UI test for video and pdf bing search
Fix bing image search test
Merge branch 'BingSearchTests' of https://github.com/v-avdeev/ChronoZoom
Merge pull request #960 from a-chumagin/master

Bing search tests
[Hotfix] Fix regimes are not displayed in root collection
Merge pull request #962 from alex-zen/hotfix-regimes

[Hotfix] Fix regimes are not displayed in root collection
Merge pull request #965 from alterm4nn/master

Minor update - restoring regimes links