Fixing URLs; installation was failing as raw.github.com URLs now redirect to raw.githubusercontent.com causing install scripts to return 400.
Merging in changes to Git Convenience since last PR
Merge branch 'master' of github.com:jakearchibald/git-convenience into fix-urls
Merge pull request #4 from benseven/fix-urls

Fixing URLs; Github's URL change to raw.githubuserfiles.com breaks installation of Git Convenience