One unified gitignore
Merge branch 'master' of https://github.com/lfrankel/GGJ2014
"he does everything arse-first"
"he didn't at the start!"
There is no privileged frame of reference.

Closes out Issue #23.
Merge branch 'master' of https://github.com/lfrankel/GGJ2014
Ignoring two materials that Unity generates (apparently).