apply ColorStyle to Undeveloped and Module.
add 'Remove' Command. ref #65
add RemoveNode menu. close #65
Merge remote-tracking branch 'origin/HEAD'
Update README.md
Merge branch 'master' into collaboration
Update README.md
Merge branch 'master' into collaboration
fix blur. close #78
Update README.md
remove debug print
Merge remote-tracking branch 'origin/HEAD'
master merged