[#issue-20] go full hog on adding badges to README

add
- codeclimate
- coveralls for code-coverage
- rubygems recent version
- gemnasium for reporting old gem deps.
add coveralls to rails3 gemfile as well
[#issue-21] modify travis.yml to burp errors on test run
Merge pull request #23 from code-mancers/badgify-readme

Badgify readme