Add three new structural framing nodes and unit tests.
Add three integration test files.
Merge remote-tracking branch 'origin/master' into MAGN-3394
Add system tests for structural framing.
Refactor structural types drop downs and add column.
StructuralFraming column needs correct family type input.

Add more descriptive notes.
Test updates.
Rename test directory and update tests.
Reflection loading doesn't like generics.
Fix framing system tests.
Merge remote-tracking branch 'origin/master' into MAGN-3394
Address PR comments.
Merge pull request #2786 from DynamoDS/MAGN-3394

MAGN-3394 Structural Framing by curve has too many inputs