Fix four test cases
Merge pull request #1978 from Randy-Ma/master

Fix four test cases
Fix MAGN-3976: Mesh improperly scaled when extracted from Topography, including unit test
RevitInstallDetecitve exe, call from installer before allowing install
Comment fix
Update gitignore so RevitInstallDetective.exe is included in repo
Merge pull request #1985 from pboyer/TopoGeometryScaleFix

Fix MAGN-3976: Mesh improperly scaled when extracted from Topography, including unit test
Merge pull request #1986 from pboyer/InstallerFix

Detect valid Revit installations without addin directories during installation
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into Bloodstone