Prepare 0.2.1
Fix rails-api new with --skip-active-record

Fixes #142
fix 'method redefined' warning

Ruby prints two lines of warning if you redefine an existing method without aliasing the old one. This removes those warnings.
Merge pull request #143 from indirect/patch-1

fix 'method redefined' warning
Update travis to run on latest 2.1 available and rbx2
Merge remote-tracking branch 'rails-api/master'