Update README.md
Add ability to set env var in config value
Implemented optional caching over Redis
Redis can be enabled if cache is True
Added redis requirement
Fixed unittests
Fixed cache
Added dotcloudignore
Fixed unused import
Convert config types
Added auth to cache
Bumped version to 0.6.0
Removed cache by default is config sample
disabling cache config in config test
Fixed S3 functional test
Added s3 creds to test config
Fixed test/workflow.py
NGINX: cranking up client_max_body_size to 800MB

default client_max_body_size is 1MB and if not increased, will result in HTTP error 413 - http://en.wikipedia.org/wiki/HTTP_413#4xx_Client_Error
CONTRIB: Debian INIT script
DEBIAN Init: added root check, author and fixes for reload/restart