add npr sample audio file
play stock audio clip when table cell is touched
add playback controls to table's toolbar
Merge branch 'master' into play-audio-in-feed

Conflicts:
	Blurbly/Base.lproj/Main.storyboard
Merge pull request #14 from tunam3lt/master

Decibel Logging added in addrecordingviewcontroller.m
Merge pull request #15 from maml/play-audio-in-feed

Play audio in feed
Added code to turn a view into a circle, imported quartzcore framework