added a couple of tests for member names
Added NodeCount property to ITag/Tag and an optional flag to tag retrieval methods on TagsService, in order to retrieve the count for the tag as well as it's text
Fixes some of U4-2633 Bundle all cache refresher transmissions into a single call per request for much better performance. See last note on issue.
U4-4837 - bugfix Umbraco.Core.EnumerableExtensions.InGroupsOf
Ensures that the batched distributed calls doesn't cache refresh the server executing the distributed calls since tht will already be done locally.
Ensures all caching is disabled for editing templates (master pages and views)
Completes: U4-5264 Add Count methods to IContentService, IMediaService, etc...
Merge remote-tracking branch 'origin/6.2.2' into 7.1.5

Conflicts:
	src/Umbraco.Core/Sync/DefaultServerMessenger.cs
	src/Umbraco.Tests/Services/ContentServiceTests.cs
Removed parameter for requesting count for tags and made including the count the default behaviour
Fixes: U4-5304 7.1.4 Media Picker can't view images RangeError: Maximum call stack size exceeded
Added ignore attribute to NodeCount property on TagDto
Added unit test for tags NodeCount property
Merge pull request #439 from AndyButland/u4-5290

U4-5290 - allow for retrieval of a tag's count as well as it's text
fixed tests
fixes tests
Fixed: U4-5324 Users with a content root node, cant have custom tree roots
Fixes: U4-4634 Image preview in Media is stretched
Merge branch '7.1.5' of https://github.com/umbraco/Umbraco-CMS into 7.1.5
Updates some naming conventions and code formatting
#U4-5258 Fixed

RelationService AreRelated should accepts two entity IDs and a relationTypeAlias