Some gears don't have their own folder

[sofian]

Eg. Gear_AudioOutput is directly into src/gears. It should have it's own folder AudioOutput and .pro file.

Gear_AudioOutput.h      Gear_ColorQuantizer.h       Gear_FFT.h          Gear_MedianFilter.h     Gear_SimpleDelay.h      Gear_VideoBlend.h
Gear_AudioSource.h      Gear_DataOut.h          Gear_FaceTrack.h        Gear_MotionTrack.h      Gear_Spectrogram.h
Gear_ColorQuantizeAlpha.h   Gear_DiffDist.h         Gear_Gain.h         Gear_Rescale.h          Gear_VideoAdd.h