reset state
PVM refactoring
Track last save
correct save issue for redo
cleanup
Remove dirty flag
reset and comments
Select cancel by default
Merge pull request #191 from KSHSK/reset-project

Reset project
resolve conflicts
Merge pull request #193 from KSHSK/history-track-save

Track the last save in history
Merge branch 'master' of https://github.com/KSHSK/WAVED
Merge branch 'master' into refresh