update runtime docs, thanks @uniphil!

#117
fix url to testing buildpack
Merge pull request #118 from uniphil/master

fix url to testing buildpack
Update to Setuptools 2.1 and Pip 1.5.2

So seamless.
Merge remote-tracking branch 'origin/master'
--allow-all-external
pip v1.5.4
Update Readme.md
Merge branch 'master' into develop