adds a comment
Found out if we don't do ToArray here and if we were caching we'd end up with null values in the cache, do to yield return i think.
Fixes issue with runtime cache provider when retrieving all items of a certain type, we were sending back an array of nulls if the  cache was expired.
Fixes U4-2822 Datepicker throws "Specified cast is not valid" when saving through API
Core.Cache - add new method to remove items from cache
Core.Cache - fix bug in StaticCacheProvider
Core.Cache - fix issue introduced in 761354d
Core.Cache - fix issue introduced in 761354d
Refactoring how DeleteVersion and DeleteVersions is used in the Content- and MediaRepository, so we ensure that the latest version is never deleted. Worse case would have been an incomplete content node, which we want to avoid. So better to have a fail safe way of deleting versions, and use the regular Delete method for deleting the latest version.
Fixing broken Publishing test after the service and repository tests are probably setup.
Merge branch '6.2.0' of https://github.com/umbraco/Umbraco-CMS into 6.2.0
Fixes: U4-2914 Examine doesn't index newly created items
Got macro content loading in editor async updated more of the macro plugin to ensure the macro contents cannot be edited.
Merge remote-tracking branch 'origin/7.0.0' into 7.0.0
Updates textbox/textarea property editors to show field level validation for the regex/required server validation.
Fixes width styles for prop editors
Fixed more styling and validation bits for insert macro dialog.
Updates to folderbrowser view - still WIP.

Needs code review as there's some non-clean NG work needed to provide
the clean view. Upload haven't been styled yet. Working on it.
more work on the sorting, almost works on tables now too
Merge branch '7.0.0' of https://github.com/umbraco/Umbraco-CMS into 7.0.0