Merge pull request #10 from SoftSwiss/master

few more disposable domains
Remove badges from README
Don't test against rubinius or jruby-20mode
Require activemodel >= 3.2 and ruby >= 1.9.3 in the gemspec
Don't exclude rails4 as we are not testing against 1.9.2 any more
Remove coveralls
Update v1.1.1