Merge pull request #4 from fourstack/master

Added travis support
Merge pull request #5 from fourstack/master

Get ssm running gems without AR
Add ruby 2.0 and jruby to travis.yml
Use correct after_initialize callback in readme
Fix ActiveRecord callback in README
Simplify method calls
SImplify specs
Remove autotest
Merge pull request #6 from mdh/inhertance

Simplify spec and code
Merge pull request #1 from mdh/master

Merge with mdh master