Hacky workaround for bug in `browser-module-sandbox`

browser-module-sandbox un-sets window.XMHttpRequest
Verify OAuth request does not return "undefined" string as token
Browserify-cdn requires that browserify be on the path
Abstract some functionality into github-gist.js
Comment code when updating or saving gist
Remove Hack for re-setting window.XMLHttpRequest
Merge commit 'ddc0996b559f50dcf144df1005e7df90c4edf9d3'
Merge commit '7d08dd2c7caa64877abbcc39f08c4c879aeae11d'
Gist.load behavior abstracted from index.js
Merge branch 'merger' of github.com:CharlesHolbrow/requirebin
Merge pull request #25 from CharlesHolbrow/merger

Abstract GithubGist behavior out of index.js