Clean up GraphUtilities internal state in test teardown
Some infobubble code refactoring.
Removed a redundant statement which is causing override to the BooleanToVisibilityConverter behaviour expected.
Add regression test case for MAGN-737
Fixed info bubble not updating to new location on node resize.
Merge pull request #778 from junmendoza/ChocoButter

Update DS dll with the CBN recompile fix
Merge pull request #771 from ke-yu/ChocoButter

Clean up GraphUtilities internal state in test teardown
Merge pull request #772 from SkyApple/InfoBubbleFix_ChocoButter

Info bubble fix choco butter
Merge pull request #773 from SkyApple/InfoBubbleNotUpdatingPositionFix_ChocoButter

Fixed info bubble not updating to new location on node resize.