Merge pull request #5 from mtgreenway/http-error-retry

Fixed two bugs and added a retry for http errors
Make deletion robust to errors.
Small startup tweaks.
Fix deletion bug.
fix typo in readme
ITS TIME.SLEEP NOT TIME.WAIT >_<
potential fix for deletion bug
actually fix deletion bug
release 0.1.0
use builtin logging module
refactor to injecting nova client object

also misc cleanups, a few more tweaks to logging
Atwood theme
Had headnode twice in atwood
try to launch cluster without additional external files
missing slash
needs to be triple quoted
tweaks to startup without external files
tweak atwood theme