Fixed boolean check methods when using 'config.use_name_as_value = true'.
Merge pull request #27 from Drachenfels-GmbH/name_as_value_bugfixes

Fixed boolean check methods when using 'config.use_name_as_value = true'...
Added changes to make the gem Rails 4 compatible

1) Updated gemspec to allow Rails 4.x
2) Made changes to specs and Rakefile to allow them to run under Rails 4
3) Modified specs to eliminate a number of deprecation warnings
4) Updated the Gemfile and database.yml so that the specs run against multiple Rails versions, JRuby
5) Added a .travis.yml
6) Added another AR class in specs to allow the specs to run against Rails 3.1.x
Merge pull request #31 from petergoldstein/feature/rails_4_support

Added changes to make the gem Rails 4 compatible
Rails 4 compat with scopes /credit @mchapman17
Add more info to dupe value error
Add commented require for simple_form in generator
Test that get_by_id methods support ids as symbols
Add context to spec in preparation for new tests
Add support for ids as symbols
Add tests to make sure that form helpers work with symbol ids