Merge pull request #133 from nagyt234/fix-boolean-custom-values

Allow boolean 'false' and integer 'zero' as custom values.
Failing test with custom values enumeration

Method *_enum must return the custom value, not the key.
Method _enum now returns right values
Add documentation for shoulda intetgration
Merge pull request #137 from ybart/136-shoulda-integration-doc

Add documentation for shoulda intetgration
Doc how to get integer value of mapped enum

Added some documentation on how to get the integer value of an enum that is mapped to integers.

From https://github.com/brainspec/enumerize/issues/131
Merge pull request #138 from servel333/patch-1

Doc how to get integer value of mapped enum
rename Active Record support module

fixes #134
update travis.yml
Require rspec/matchers before require enumerate/integrations/rspec.

- `if defined?(::RSpec)` it fails to load the enumerize matcher properly when used with rails/spring.
- similar to https://github.com/rails/spring/issues/209
Merge pull request #143 from winston/fixed-spring-rspec

Require rspec/matchers before require enumerate/integrations/rspec.
add i18n_scope option
Merge pull request #141 from dreamfall/p4

add i18n_scope option
store only enumerize attribute values for validation
Update CHANGELOG.md
Merge pull request #135 from brenes/fixes/rails-admin-custom-values

Custom values don't work with Rails Admin
update CHANGELOG
version 0.8.0
Add red test : do not set default value for not selected attributes
Do not try to set attribute for not selected attributes