removed sub-range removal

individual indices that are out of range will still be removed
tests for List.Sublists
removed unused input from sublists node

accidentally added while toying with ideas
removed commented code
Fix for MAGN-3622 - Set Element Parameter with ElementId StorageType
Fix MAGN-3785  Dynamo hangs after running Sample "Ref Grid Sliders"
System layer diagram
code cleanup
unit tests for custom nodes
Test case fixes

Math.dll -> DSCoreNodes.dll
test for compose ordering
Check if Element exists before removing in VisualizationmanagerRevit
Added unit test for setting Element parameter using Element argument, added some additional assembly resolvers
Synced LibG dlls to master
Fixed MAGN-3714
Removal of obsolete CallsiteExecutionState code and tests

These have been superseded by the trace implementation, the code doesn't function correctly and the tests are all failing. As it's not actually used in the project, lets thank it for its contribution and remove it.
Missing file from last commit
Fix typo in test case
Remove test based on old geometry library
Remove tests that depend on the old geometry library