-- added method getFormats() to check for mjpeg compression.
-- added methods to uvccam class
  -- method to set power frequency filter
  -- methods to flip image vertical and horizontal
-- added initialization for camera format (rgb, monochrome)
-- added methods for setting
   -- gain
   -- contrast
   -- saturation
   -- sharpness
Merge branch 'master' of https://github.com/philko4711/obviously
Merge branch 'master' of https://github.com/ChrisPfiOhm/obviously
format fixed