Updated to version 2.2.0

Signed-off-by: geoffreymcgill <geoff@ext.net>
Merge branch 'master' of https://github.com/extnet/Ext.NET.Utilities

Signed-off-by: geoffreymcgill <geoff@ext.net>

Conflicts:
	Ext.Net.Utilities/DateTime/DateTimeUtils.cs