* BaseAnalysisHandler.cs:
Completed the functionality which is necessary to do a StyleCop run on Solution and ActiveDocument.
Also dropped obsolete functionality.

* SolutionFullAnalysisHandler.cs:
Set the text after base.Update is done.

* MonoDevelop.StyleCop.addin.xml:
Previous xml file was screwed for some reason. This is now a working addin xml file.

* StyleCopNodeCommandHandler.cs:
Before a StyleCop run is done we save each document.
* StyleCopNodeExtension.cs:
  Sorted methods and added descriptions.

* ProjectUtilities.cs:
  Updated dispose method descriptions.