undo manager property
Merge remote-tracking branch 'origin/master'
Add Open panel
add save dialog
Merge pull request #3 from bennettslin/master

Merging redo function
Merge pull request #4 from bennettslin/master

add methods to enable and disable undo and redo buttons
Merge pull request #5 from bennettslin/master

add gitignore
Merge pull request #6 from bennettslin/master

connect undo and redo menu items to methods
added audio dragging wells and behaviors
Merge branch 'master' of https://github.com/bennettslin/AudioPeeps into bennettslin-master

Conflicts:
	AudioPeeps/PSAudioEditor.h
	AudioPeeps/PSAudioEditor.m
	AudioPeeps/PSAudioVC.m
	AudioPeeps/PSAudioVC.xib
commit after merge
removed head tags
fixed merge issues
more merge fixes
fix redo method for both delete and load new files