Adjust bit rate of video to 100kbps and captureSessionPresent to AVCaptureSessionPresetLow

Signed-off-by: Jai Govindani <jai@zodio.com>
Fix layout of save/cancel buttons for 3.5" screens

Signed-off-by: Jai Govindani <jai@zodio.com>
Fix playback freezing on first play after recording

Signed-off-by: Jai Govindani <jai@zodio.com>