Merge pull request #4 from asfaltboy/post_details

Implemented feature: Bounty details page and comments
Update README.md
Removed www in the Allowed Hosts

Removed www in the Allowed Hosts to fix wildcard issue.
Added wildcard option to Allowed_hosts

Added wildcard option to Allowed_hosts
add coveralls.io badge
fix: set link in bounty list to lead to details page not the bounty url