Initial work on U4-2571 Need to optimize empty recycle bin
Fixes up logic for creating new versions (U4-2589 Save and Publish is not creating version of document)
Merge branch '6.1.4' of https://github.com/umbraco/Umbraco-CMS into 6.1.4
Last bits to implement U4-2571 Need to optimize empty recycle bin
Merge remote-tracking branch 'origin/6.1.4' into 7.0.0

Conflicts:
	src/Umbraco.Web/Umbraco.Web.csproj