Stuff

Added exif saving, background file saving, higher res images. preview
image is now sized to fit the screen so it shows up faster.
limits

Limited saving queue to 2 images, this is for older iPhones so they
don’t get a memory freakout when saving too many images. saved message
now properly appears when saving instead of when taking.
cleanup

cleanup
Merge pull request #1 from tekgo/master

Higher resolution image