ImageCropper helpers WIP
U4-4447: Make image properties populate when uploading from ImageCropper
Fixing GetCropUrl overload
Fix for GetCropUrl method when mediaItem.Url has JSON data
Fix drag-and-drop upload
Revert "Merge"

This reverts commit 1573eb2f74ca104352852cd224b23188c9a9302c.
Adding ToLowerInvariant to compares and also removing a redundant method copied in from my cropper package but not needed
Fixes: U4-4477 Single Media picker doesn't show thumbnail any more
Final tweak to the U4-4477 - media items could not be retreived on refreshing the editor
Make sure we use the latest ImageProcessor version in VS as well, not just in the nuget package.
Fixes: U4-4466 6.2-beta - Creating Member Type without Alias results in no viewable Member Types in back office
Merge remote-tracking branch 'origin/6.2.0' into 7.1.0

Conflicts:
	src/Umbraco.Core/Models/MemberType.cs
	src/Umbraco.Core/Persistence/Repositories/MemberTypeRepository.cs
	src/Umbraco.Tests/Persistence/Repositories/MemberTypeRepositoryTest.cs
Fixes: U4-4474 YSOD when expanding Members tree
Merge remote-tracking branch 'origin/6.2.0' into 7.1.0
Fixes: U4-4425 Umbraco Macros break on quote, U4-4290 RTE changes Macro parameter values containing right angle brackets, U4-4442 Line break in macro text area breaks the Macro
Fixes: U4-4475 Creating new member doesn't put it in examine. Fixes up some cache refreshers to ensure they are calling the base method so that events fire consistently.
Fixes: U4-4475 Creating new member doesn't put it in examine. Fixes up some cache refreshers to ensure they are calling the base method so that events fire consistently.

Conflicts:
	src/Umbraco.Web/Cache/UserPermissionsCacheRefresher.cs
Fixes: U4-4481 Image cropper pre value editor doesn't validate properly
Merge branch '7.1_U4-4447' of https://github.com/arknu/Umbraco-CMS into arknu-7.1_U4-4447

Conflicts:
	src/Umbraco.Web/PropertyEditors/FileUploadPropertyEditor.cs
	src/Umbraco.Web/PropertyEditors/ImageCropperPropertyEditor.cs
fixes merge issues