Added password prompt
Missing jpg
Merge branch 'master' of github.com:prglab/cryptogram
Added menu, file selection, and other stuff
Sorted out options menu
changed preferences to use folder selection
integrated exporting to user-selected folder instead of gallery
Copied in maxBase64Values from aesthete
Merge branch 'master' of github.com:prglab/cryptogram

.
Connecting encoder to the FE.

o Options passing from FE.

o Use maxSize in estimating the required base64 values.

o Model for resizing.
Merge remote-tracking branch 'ian/master'