Gists now have another number in their comment urls
plu is a member of a new org now :P
Update git_data test to new data

* The old blob test was fetching a commit, so changed that to a blob.
* Dates are now returned in Z timezone, changed that
* Message is now chomp'ed
* added html_url to the two places the API now returns it.
Update live repos test to new data

* Dateformat changed to Z timezone
* donwload urls point to API now
GET / now returns pointers to other endpoints

* changed from 204 -> 200
* udpated expected result
Merge pull request #153 from plu/update-live-tests

Update live tests