Added remaining Revit Samples to Automation

Added below four new tests, out of this one I marked as Ignore.

- Revit_Floors_and_Framing: This test marked as Ignore because on running it is throwing error from Revit side. if I run it manually there is no error. Will discuss this with Ian
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into RevitNewSamples
Added Category Samples to Tests.

As we need to categories tests, so I think whenever we add new tests we should be adding category. I missed that in earlier check in so re submitting again as PR is not yet merged.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into RevitNewSamples
Added few more Samples from Geometry Category.

All newly added Samples are working on latest build.
Do not process dead Elements for watch.
Null checks on Element queries.
Merge pull request #1902 from riteshchandawar/RevitNewSamples

Added remaining Revit Samples to Automation
Added automation for Samples which are non-Revit based.

- Created new class in WorkFlowTests Project.
- Created two more functions to access original Samples from their folder on git.
- Few Samples splitted in multiple test cases to keep the debugging easy if something goes wrong.