Core.EnumerableExtensions - bugfix f9663a9
Core.StringExtensions - fix methods that should be extension methods
Core.StringExtensions - adjust to new default IShortStringHelper (see f64b8d6)
Merge remote-tracking branch 'origin/6.2.0' into 7.0.0
Merge remote-tracking branch 'origin/7.0.0' into 7.0.0-pubcontent

Conflicts:
	src/Umbraco.Tests/CodeFirst/ContentTypeMapper.cs
	src/Umbraco.Web/Models/DynamicPublishedContent.cs