This commit updates /Trees/UserTypes,cs to use userType.Name rather than userType.Alias for displaying the tree item text.
Updates settingsdashboardintro.html to use http://umbraco.com for URLs since .org is no longer used for the main website and updates the Editor's Manual link to use the newer version 7 editor's manual created by Matt Wootton.
Revert "Updates settingsdashboardintro.html to use http://umbraco.com for URLs since .org is no longer used for the main website and updates the Editor's Manual link to use the newer version 7 editor's manual created by Matt Wootton."

This reverts commit 226d3715b92487382ecd83afc349eaca2c578bf8.
Updates settingsdashboardintro.html to use http://umbraco.com for URLs since .org is no longer used for the main website and updates the Editor's Manual link to use the newer version 7 editor's manual created by Matt Wootton.
Merge pull request #476 from joshua-stewart/7.2.0

U4-5457 & U4-5458 - Updates /Trees/UserTypes.cs and settingsdashboardintro.html