Move atg\Associative and atg\Imperative to legacy folder
Clean up temp files
Remove DependencyPass from project file
Remove .snk file from ProtoImpertive and ProtoAssociative project
Clean ProtoScript
Merge pull request #2879 from ke-yu/engine_cleanup

Engine cleanup: move legacy code and delete temp files
release event handlers
Merge pull request #2883 from ke-yu/realease_eventhandler

Release event handlers
build fix
Merge pull request #2886 from aparajit-pratap/buildFix

Fix for build failure caused by PR #2870
resolved merge conflicts