EZAudioPlotGLKViewController add _bgcolor member data, record bgcolor. _bgcolor used for hand glkView:drawInRect else condition
remove bgcolor data member.

add glClear(GL_COLOR_BUFFER_BIT) method at begin of glkView:drawInRect
remove two call of glClear in glkView:drawInRect:
Merge pull request #5 from wdwen/master

EZAudioPlotGLKViewController add _bgcolor member data, record bgcolor. _...
Fixed EZAudioFile and EZOutput to provide true stereo
Merge branch 'master' of https://github.com/syedhali/EZAudio
Fixed getWaveformData function to not use float converter and added proper memory management to EZAudioFile
Screwed up something in EZAudioFile memory cleanup, removing floatBuffers cleanup
Added utility functions for AudioStreamBasicDescription, Math (update history and shift array contents), and Plot (shared rolling history update function)
Modified EZPlotTypeRolling to scroll instead of wipe screen
Added custom class AudioStreamBasicDescription initializer to output
Updated CHANGELOG to reflect new rolling plot and custom EZMicrophone and EZOutput
Updated FFT example for memory cleanup
Updated PlayFile to use custom AudioStreamBasicDescription pulled from file client format
Accidently deleted EZMicrophone object, added back...whoops
Updated OSX PlayFile example to use custom AudioStreamBasicDescription on EZOutput
Modified example to use custom AudioStreamBasicDescription
Removed excess logging
Cleaned up for 0.0.3 release
Refactored EZMicrophone for readability - broke configuration into smaller functions and organized layout