keep versions in sync fixes #18
Added code to stop Camo from requesting from itself.

This can happen if hacker forces Camo to request from a page that 302 redirects back on itself. This causes Camo to spin up a new connection and enter a loop until it runs out of memory.
use a simple heroku app to show off redirect bugs
version bump for redirect fixups
recompile server.coffee
Add fallback for Accept header.
Fallback to Accept: image/*
Merge pull request #22 from feedbin/accept_fallback

Add fallback for Accept header.
bump version
Merge branch 'master' of git://github.com/atmos/camo