Merge pull request #13 from sbl/htpasswd

http basic auth
readme fixes
readme fixes
trying to fix the proxy passing
API_URL should be API_HOST
config file changes for fallbacks
adding debug headers
making the NGINX_DEBUG headers
making the NGINX_DEBUG headers
try #1
try 2
try 3
try 4
fixed proxy
fixed again... damn
Merge pull request #18 from tonycoco/fixes_for_proxy

Fixes for proxy
fixing file extensions regex