Fixes CodePlex Workitem 7935

This fixes the NullReferenceException seen when FrameworkElement.Name is
null when building the visual tree.
forgot some files
Needed to change in case of message overload
You can now choose the presentation source trace level
placement of filters window
partially done with grouping of filters
text box scroll bar in listener tab
Adde ability to save the filters
Split classes into files
bad config file
bug fixes and styling quirk fixes
Added an inverse condition
couple bug fixes
slight edge case bug with multiple filters
Some integration cleanup ...
Merge branch 'SnoopDebugTab'
sets filters on text already written
GitHub has deprecated the downloads page. Fixing that in the README file.
Merge remote-tracking branch 'upstream/master'