Fixed Xcode conversion warning
Returned -be(Non)Nil verifiers for now, deprecated -shouldBe(Non)Nil
Convert KWMatcher to ARC
Convert KWMatchVerifier to ARC
Convert KWMessageTracker to ARC
Convert KWItNode to ARC
Convert KWInvocationCapturer to ARC
Convert KWInequalityMatcher to ARC
Convert KWHaveValueMatcher to ARC
Convert KWGenericMatchingAdditions to ARC
Convert KWGenericMatcher to ARC
Convert KWFutureObject to ARC
Convert KWFormatter to ARC
Convert KWFailure to ARC
Convert KWExample to ARC
Convert KWEqualMatcher to ARC
Convert KWDeviceInfo to ARC
Convert KWContextNode to ARC
Convert KWContainMatcher to ARC
Convert KWConformToProtocolMatcher to ARC