Use rails 4 strong parameters to be compatible with refinery edge (3.0)
Conflicts:
	app/controllers/refinery/inquiries/admin/settings_controller.rb
	app/controllers/refinery/inquiries/inquiries_controller.rb
Set version 3.0.0.dev and also update refinery dependencies to 3.0.0.dev.
load_tasks isn't working anymore.
Get rid of redundant gems in the Gemfile. Also added back capybara-email.
Rewrite settings update logic taking into account strong parameters.