Fixes MAGN-4817. Simplified convesion from a Autodesk.DesignScript.Arc to a Revit Arc, using 3 point constructor.
Merge branch 'master' into MAGN-4817
Added test case for tilted arc
Merge pull request #2866 from DynamoDS/MAGN-4817

Fixes MAGN-4817 Simplified conversion to a Revit Arc