check for `apipie_footer` content before add new content
replace `provide` with `content_for`
New configuration option to always record examples.
Method to start recording examples without ENV['APIPIE_RECORD'].
Merge pull request #239 from arathunku/feature/start-recording-examples-from-tests

New configuration option to always record examples.
Support for localized API documentation
Added localization documentation
Merge pull request #232 from mbacovsky/localized_apidoc_support

Support for localized API documentation
Deprecate rails 3.0

We can't support that forever.
Merge pull request #241 from iNecas/deprecate-rails-30

Deprecate rails 3.0
Merge pull request #213 from leschenko/footer_doubling

Copyright appear multiple times in docs generated via rake task (`apipie:static`)