Move to UUID based scheme from ElementID scheme

And update all the classes and tests except for AbstractAnalysisDsiplay
Remove octree.
Remove test geometry output.
Blocking sliders.
Merge branch 'ChocoButter-2Become1' of github.com:DynamoDS/Dynamo into ChocoButter-2Become1
Fix SolidTest.FromElement_ValidArgs. Add regenerate call to calculate solids on same run element is created.
the test case pass.
Fix for
Deffect MAGN-2366 -add DSCoreNodes_DynamoCustomization.xml into installer and
MAGN-2367 -add FunctionObject.ds into installer
Merge branch 'ChocoButter-2Become1' of https://github.com/DynamoDS/Dynamo into ChocoButter-2Become1
Change the robocopy command to copy a single file
FunctionObject.ds and DSCoreNodes_DynamoCustomization
Remove object class related methods while importing.
 - Fixes http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-2112
 - methods ToString(), GetHashCode(), Equals(), GetType() are removed from import.
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
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.