Convert specs to RSpec 2.99.1 syntax with Transpec

This conversion is done by Transpec 2.3.3 with the following command:
    transpec -f -c "rake spec:all" -b true,false

* 36 conversions
    from: it { should ... }
      to: it { is_expected.to ... }

* 16 conversions
    from: its(:attr) { }
      to: describe '#attr' do subject { super().attr }; it { } end

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

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

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

* 9 conversions
    from: obj.should_receive(:message)
      to: expect(obj).to receive(:message)

* 5 conversions
    from: its([:key]) { }
      to: describe '[:key]' do subject { super()[:key] }; it { } end

* 3 conversions
    from: it { should_not ... }
      to: it { is_expected.not_to ... }

For more details: https://github.com/yujinakayama/transpec#supported-conversions
more rspec 2.99 fixes
upgrade to rspec 3 and cleanup some specs
Convert specs to RSpec 3.0.2 syntax with Transpec

This conversion is done by Transpec 2.3.3 with the following command:
    transpec -f -c "rake spec:all" -b true,false -v hook_scope,example_group

* 13 conversions
    from: shared_examples 'something' { }
      to: RSpec.shared_examples 'something' { }

* 10 conversions
    from: describe 'something' { }
      to: RSpec.describe 'something' { }

* 2 conversions
    from: around(:each) { }
      to: around(:example) { }

* 1 addition
      of: RSpec.configure { |c| c.expose_dsl_globally = false }

For more details: https://github.com/yujinakayama/transpec#supported-conversions