Fixes object extensions and tests
Fixes config tests since we've removed this section
Added application info to server variable mocks
Include missing System.Net.Http/System.Net.Http.WebRequest
Merge branch '7.0.0' of https://github.com/umbraco/Umbraco-CMS into 7.0.0
Merge branch '7.0.0' of https://github.com/umbraco/Umbraco-CMS into 7.0.0
Mocked user is regenerated for each call, fixes user lockout on client Belle