Merge pull request #52 from garnett/master

Fix failing test, inherit beTrue/beFalse from 'Equal' matcher
Fix XCTest framework for XCode 6 beta 2.
Merge pull request #55 from nmonje/master

Fix XCTest framework for XCode 6 beta 2.
Use switch-case statement in Contain Matcher
Merge pull request #57 from ikesyo/use-switch-case

[Nimble] Use switch-case statement in Contain Matcher
Merge remote-tracking branch 'upstream/master'