Add option to send notifications for spam messages

Conflicts:
	lib/generators/refinery/inquiries/templates/config/initializers/refinery/inquiries.rb.erb
	lib/refinery/inquiries/configuration.rb
Merge pull request #113 from Tranquility/2-0-stable

Add option to send notifications for spam messages
i18n it locale indentation fix
Merge pull request #117 from dairweb/2-0-stable

i18n it locale indentation fix
No need to specify date in gemspec.
Use https for rubygems.
add class method that can be overridden to filter extra spam words
Merge remote-tracking branch 'upstream/2-0-stable' into 2-0-stable

Conflicts:
	app/controllers/refinery/inquiries/inquiries_controller.rb
	lib/generators/refinery/inquiries/templates/config/initializers/refinery/inquiries.rb.erb
	lib/refinery/inquiries/configuration.rb