use coveralls for coverage
badges
Merge pull request #775 from theodi/coveralls-and-badges

Coveralls and badges
remove rack_env from procfile
Merge pull request #776 from theodi/remove-rack-env

remove rack_env from procfile
Add pow/rvm config
Make "read more" into a link
move remove button down in boxes
Merge branch 'refs/heads/master' into validation-changes

Conflicts:
	README.md
stick sidebar out for 5 seconds, then hide.