Added an iOS App target and a test target for UIKit testing.
UITextViewRACSupportSpec fails?
Fixed broken tests, thanks @kastiglione.
Merge remote-tracking branch 'origin/2.0-development' into pr/626

Conflicts:
	ReactiveCocoaFramework/ReactiveCocoa.xcodeproj/project.pbxproj
Expose scheme for new test host target
Deduplicate build settings and clean up build phases
Merge pull request #626 into 2.0-development
Merge branch '2.0-development' into racobserve-change-dictionary
Fix the test for intermediate path components.
Fix the disposable not being removed when disposed.