Cucumber/spec cleanup. Removed some stray aspect.firsts, which should improve reliability across databases. Removed some cucumber steps we don't use & consolidated duplicate steps.

dispatch moved to resque.  one failing test, globally stubbed out resque enqueue temporarily.  TO AMEND.

posting to a person with a user on the same pod will send internally, skipping the http queue and encryption.

IZ moved methods found in spec helper to helper methods file. now we can include them in the db scripts to keep friending behavior in sync

This reverts commit 1481056a.

This reverts commit fb70dc8c, reversing
changes made to 53fef63a.

Conflicts:

	pkg/fedora/diaspora-setup
	pkg/ubuntu/diaspora-setup
	public/stylesheets/sass/application.sass
	spec/models/user/attack_vectors_spec.rb