Adding source code for Aga.Controls.
Commenting out errors from aga newest version.
Binding some properties in order to show values in treenodes with TreeViewAdv 1.7.0
Add missing properties to WorkItemDescriptor
Revert testing code changes
Using TreeViewAdv 1.7.0
Small refactoring to reduce duplicated code into a GetProperty method.
Merge pull request #1 from JogoShugh/getProperty

Small refactoring to reduce duplicated code into a GetProperty method.
Moved FindByMather code to a separate extensions file.
Merge pull request #2 from JogoShugh/mather

Moved FindByMather code to a separate extensions file.
Changing version to 9.0
Changing references to myget and nuget for Aga.Controls and HtmlEditor
Removing Aga.Controls source code.
Merge pull request #9 from lremedi/master

Fix issues related to newest Aga.Controls library version 1.7.0 and fix issue #1