Add new configuration.validate value :explicitly
Add documentation for validate = :explicitly
Properly reload controllers
Different way to make tests conditionally add before_filter
Merge branch 'master' into allow-validations-in-before_filter

Conflicts:
	spec/controllers/users_controller_spec.rb
Change conditional use of before_filter to suit Rails 3.2
Simplified so that both validate settings use apipie_validations method
Add :implicitly option for configuration.validate, which preserves current behaviour.
Fix merge error
Merge pull request #306 from dprice-fiksu/allow-validations-in-before_filter

Allow validations in before filter