Fixes: U4-2918 After I set admin password, the error shows.(7.0.0-build.85, new install)
Completes: U4-2917 Remove canvas/live editing support, U4-2916 Remove skinning support
removes the old skinning.config and updates the installer to not show that option.
Fixes starter kit installer with no skins
obsoleting legacy prop eds
Merge remote-tracking branch 'origin/7.0.0' into 7.0.0
Merge remote-tracking branch 'origin/6.2.0' into 7.0.0

Conflicts:
	src/Umbraco.Core/Cache/CacheProviderBase.cs
	src/Umbraco.Core/Cache/HttpRuntimeCacheProvider.cs
	src/Umbraco.Core/Cache/NullCacheProvider.cs
	src/Umbraco.Core/Cache/StaticCacheProvider.cs
Embed rte plugin: changes icon
Embed rte plugin: adds cancel button to dialog
Fixes merge issues, fixes up some unit tests, removes the For<T> config section stuff and simplifies the singleton, refactors it with methods as per discussion with stephen.
Merge branch '7.0.0' of https://github.com/umbraco/Umbraco-CMS into 7.0.0
Embed rte plugin: prettify
rte: adds iframe as allowed element
Embed rte plugin: minor copy update
PublishedContent - revert to using property.Value vs .ObjectValue
centralizes the thumbnail/image handling
Merge branch '7.0.0' of https://github.com/umbraco/Umbraco-CMS into 7.0.0
Changes the property convert to log errors when it cannot find a property editor - this means that packages can still install
Fixes macro rte editor to use the current page id
Replaces all the old core dashboards