Start preparation for upgrade to RSpec 3
Fix RSpec deprecations
Convert specs to RSpec 2.99.0 syntax with Transpec

This conversion is done by Transpec 2.2.1 with the following command:
    transpec

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

* 19 conversions
    from: == expected
      to: eq(expected)

* 12 conversions
    from: mock('something')
      to: double('something')

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

* 1 conversion
    from: <= expected
      to: be <= expected

* 1 conversion
    from: >= expected
      to: be >= expected

* 1 conversion
    from: lambda { }.should
      to: expect { }.to

* 1 conversion
    from: lambda { }.should_not
      to: expect { }.not_to

* 1 conversion
    from: obj.should_receive(:message)
      to: expect(obj).to receive(:message)

* 1 conversion
    from: obj.stub(:message)
      to: allow(obj).to receive(:message)

* 1 conversion
    from: proc { }.should
      to: expect { }.to

For more details: https://github.com/yujinakayama/transpec#supported-conversions
Update copyright statements on modified spec files
Update to RSpec 3.0
Move spec files so RSpec will pick them up
Make newly-running specs pass