#472 Pages Web API tests modifications
#472 Created web API tests for layout regions, tags, categories
#483: captions updated.
Merge branch 'dev' of ssh://github.com/devbridge/BetterCMS into dev
#542: fixed paging for KO grids.
BetterCMS.Module.Api.Abstractions project added. #478
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
#472 Created web API tests for contents and widgets
#541: fixed tag blinking.
Merge branch 'dev' of ssh://github.com/devbridge/BetterCMS into dev
#472 Created web API tests for site map and redirects
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#472 Created web API tests for blog module: blog posts and authors
#539: updated solution to build NuGet packages for each module.
Merge branch 'dev' of ssh://github.com/devbridge/BetterCMS into dev
Merge branch 'dev'