Merge branch 'ChocoButter-2Become1' of https://github.com/DynamoDS/Dynamo into CB2
Defect fix MAGN-2262
Hide functions whose names start with double underscores
hide the node from UI for the release
Fix Optimize.ds loading issue
Disabling Packages, Libraries, Settings, Samples Menus, and node to code option
Added comparison test for different data types
Test case for defect MAGN-2262
Merge branch 'ChocoButter-2Become1' of github.com:DynamoDS/Dynamo into ChocoButter-2Become1
Merge pull request #1319 from sharadkjaiswal/MigrationTests

Remove object class related methods while importing.
Merge pull request #1320 from Randy-Ma/ChocoButter-2Become1

Hide functions whose names start with double underscores
Merge pull request #1322 from aparajit-pratap/FixedTestCases

Defect fix MAGN-2262
Merge pull request #1323 from ke-yu/fix_magn2371

Fix MAGN2371: Fix Optimize.ds loading issue
hide the node from UI
Removed File->Clear command
Improve the implementation and use of the IsVisibleInDynamoLibrary attribute
Merge branch 'ChocoButter-2Become1' of github.com:DynamoDS/Dynamo into ChocoButter-2Become1
Add ProtoGeometry_DynamoCustomization.xml to installer
Merge pull request #1330 from Randy-Ma/ChocoButter-2Become1

Improve the implementation and use of the IsVisibleInDynamoLibrary attribute
Fix regression