Added support for symbols in collections
Added support for set collections
Spec for set collections and symbols in collections
Cleaned up Set support by using the splat operator
Test radio input with sets and symbols
Tests and examples for sets and symbols in radio input
Test using sets and symbols with select input
allow to skip attributes when rendering default inputs
added some rspec tests
Merge pull request #948 from justinfrench/deprecate-rails-30-31

Deprecate Rails 3.0 and 3.1
Merge branch '2.3-stable'
update to rspec-rails 2.14
Have Travis build the rails edge version so we can see whats coming
enable tests to pass on rails edge
add a comment explaining the FormBuilder#initialize differences
Merge pull request #952 from twalpole/edge

Have travis run the rails-edge tests (as allowed failures) so we can see whats coming
deprecate :error_class option
Merge pull request #957 from justinfrench/deprecate-error-class

Deprecate `:error_class` option
Revert "Merge pull request #957 from justinfrench/deprecate-error-class"

This reverts commit c5211f61a93dbf0daa34faa93ad95a4e2f5f4832, reversing
changes made to d37f55cdcdc1456b09757b51a2abfa60698b65dc.
Merge branch 'master' of github.com:justinfrench/formtastic