added example that can read the secret from a gif with a drag and drop interface

Hello @sjkaliski, 

Please review the following commits I made in branch 'thebyrd-example'.

d39f849063b446ab93a5e565310d58f146208d0b (2014-09-14 17:18:02 -0400)
added example that can read the secret from a gif with a drag and drop interface


R=@sjkaliski
VISIBLE_CHANGES=added example that can read the secret from a gif with a drag and drop interface