New installer.
Separate RevitTestFrameworkExecutive from RevitTestFramework command, improved NUnit resolver to discover NUnit in Program Files directory
RevitTestExecutive dumps its failure messages to file if tests fail to run, RevitTestFrameworkGUI parses the results and shows them to the user
Sort all assemblies, fixtures, tests in UI, fix minor typo
Add Licence information
Add a command line flag for the revit version.
Use the fixture name with namespace.
Revert "Use the fixture name with namespace."

This reverts commit 73cf1d41b51b49252f6c0247af78abeddc65b3f8.
Merge remote-tracking branch 'origin/master' into Revit2015

Conflicts:
	tools/Output/RevitTestFrameworkInstaller2015.exe