Added initial save image to imageview
Initial commit of imageview context
Added support for saving card images to the pictures directory.
Added string values to replace hard coded strings
Lowered targetSdk back to 19. Fixes issue with rotation cause app crash.
Added long press to reinit whole database
Merge pull request #30 from ImDevinC/save_image

Save image
Changed saved card image names to use set code instead of time
Changed behavior to overwrite old images with the same name (if higher quality scans become available)
Changed save directory to DCIM (more commonly scanned by gallery apps)
Fixed bug where image load was attempted before multiverseID was loaded
Formatting
Manually draw and delete the image cache from the ImageView so that the image updates properly when changing sets.
Merge branch 'master' into commander_legal