Generate a callsite identifier associated with each callsite

Generate a unique string name for a callsite that appears in every node
Address coding standards
Defect fix: MAGN-3605 and MAGN-3646
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into newMaster
Added comments
Updated test case for defect MAGN_3603 as API was deprecated
Minor code fixes
Removed deprecated code
Function renamed
First pass on geometry unit conversion framework
Correct call to Revit internal units
Correct call to UnitConverter when converting to Revit GeometryObject
Make conversion constants readonly
A bit of refactoring
Updated ImportInstance for unit conversion
Modifications to unit tests for unit conversion
Cleanup to RevitNodesTests and fixes for folder structure reorg
RevitNodesTests looks up ProtoGeometry at runtime, removed a number of unnecessary dependencies in RevitNodesTests
Do unit conversions for all types, unit tests for curve unit conversions, improved assembly reoslved in RevitNodesTests
Get all GeometryConversion tests running