Temporary commit for snapping edge
Finish implementation of snapping edge for input ports
Revised snapping edge
Snapping edge: mouse clicks now connect nodes when connector is snapped
Small changes to snapping edge
Temporary commit for merging
Resolved conflicts
Merge remote-tracking branch 'upstream/master' into ChocoButterUI
Merge pull request #596 from truongphuoc/ChocoButterUI

Implemented snapping edge