Merge branch 'master' of github.com:devbridge/BetterCMS into dev
#478. API requests optimizations.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#472 Created web API tests for getting media manager tree
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#479 Getting of media video removed from API and documentation
#472 Created web API tests for media images and media files
#472 Created web API tests for getting pages / blogs / images / files when filtering by tags
#479 Images / files API: added description
#479 Authors API: added image caption
#479. API requests validation added.
#546: confirmation dialogs added before page status changing.
Merge branch 'dev' of ssh://github.com/devbridge/BetterCMS into dev
Missing PublishedOn date update added.
#549: media search updated.
#549: media search updated.
#472 Created web API test for testing filtering for all data types and all filtering operations
#472 Merge branch 'dev' of github.com:devbridge/BetterCMS into dev

Conflicts:
	Tests/BetterCms.Api.Tests/App_Data/BetterCmsTestsDataSet.mdf
	Tests/BetterCms.Api.Tests/App_Data/BetterCmsTestsDataSet_log.ldf
#479, #472 web API: instead of undefined, returning null values; fixed all the tests;
#472 Created web API tests for testing filtering by all the columns and count of returning item properties