Merge remote-tracking branch 'origin/abt/topic/gmin... ...Some tweaks to the median filter [Adriana Reus] ...Fixing some compiler warnings [Adriana Reus] ...| Upgrade HAL version to 1_3 [Adriana Reus] ...Implement batch and flush functions [Adriana Reus] Signed-off-by: Adriana Reus <adriana.reus@intel.com>