Add an ignore file for the 2015 installer.
New installer.
Allow only Revit 2014 versions for testing.
New installer.
Make sample files version specific.
Rename samples.
New installer.
Remove equality test in WorkingDirectory setter,
New installer.
Save settings after field changes.
New installer.
Refactor namespaces.

Conflicts:
	src/Tests/RunnerTests/Properties/AssemblyInfo.cs
Separate revit app into separate project.
Adjust .net versions.

Reorg. came from Revit2015 branch. Need to roll back a couple of
projects.
Update project names and addin references.
Merge remote-tracking branch 'origin/master' into Revit2015

Conflicts:
	src/Applications/RevitTestFrameworkApp/App.config
	src/Applications/RevitTestFrameworkGUI/App.config
	src/Framework/Runner/Runner.cs
	src/RevitTestFrameworkApp/App.config
	src/RevitTestFrameworkGUI/App.config
	src/Tests/RunnerTests/RunnerTests.cs
	src/Tests/Samples/bricks.rfa
	src/Tests/Samples/empty.rfa
	tools/Output/.gitignore
	tools/Output/RevitTestFrameworkInstaller2014.exe
Working path checks.

Give UI feedback to whether model path exists.
Update model paths when assembly path OR working path change.
New installer.