Enforced used of expect syntax
Added .ruby-version to gitignore
Convert specs to RSpec 2.14.7 syntax with Transpec

This conversion is done by Transpec 1.10.4 with the following command:
    transpec

* 144 conversions
    from: obj.should
      to: expect(obj).to

* 51 conversions
    from: obj.stub(:message)
      to: allow(obj).to receive(:message)

* 10 conversions
    from: obj.should_not
      to: expect(obj).not_to

* 10 conversions
    from: obj.should_receive(:message)
      to: expect(obj).to receive(:message)
Renamed google_account factory
Fixed up method comments
Cleaned up controllers spec
Moved PROVIDERS into an array
Updated user model spec to test all account types
Added better coverage of user picture handling