Revit analysis small icons added.
Revit Elements small icons added.
Revit Selection small icons added.
Revit transaction small icons added.
Revit elements small icons added.
Revit analysis large added.
Revit application large added.
Revit application small added.
Revit elements large added.
Revit selection large added.
Revit transaction large added.
Revit view large added.
Revit class icons added.
Merge pull request #144 from vmoyseenko/DUI-RevitIcons

DUI: revit icons