Fixed Issue MAGN4944
Updated as feedback from Sharad
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Move GraphToDSCompiler to Legacy folder
Merge pull request #2731 from theanh0512/Magn4944

Fixed Issue MAGN4944
Remove some obsolete functions
Synced LibG DLLs to latest. Fixes MAGN-5041 and MAGN-4924
Merge pull request #2863 from ke-yu/cleanup

Remove some obsolete functions
Merge pull request #2850 from ke-yu/MoveGraphToDSCompiler

Move GraphToDSCompiler to Legacy folder
Merge branch 'master' into fix_memoryleak
Unscribe scheduler's TaskStateChanged after it is shutdown
Move lock to outer scope
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