MOSYNC-3048.Add idl support for saving image to the photo gallery of the device.
MOSYNC-3058. Add iOS support for exporting images to the photo gallery of the device.
Merge remote-tracking branch 'origin/master' into master_SaveImage
MOSYNC-3059. Added WP support for savin images to camera roll.
MOSYNC-3065. Added android support for exporting images to device gallery.
MOSYNC-3058. Made small changes with code review observations.
Merge remote-tracking branch 'sandbox/master_SaveImage' into master_SaveImage
Merge remote-tracking branch 'origin/master' into master_SaveImage
Merge pull request #418 from mvasiliniuc/master_SaveImage

Save pictures to photo gallery of the device.