Removed XCUnitAppTests in OCUnitApp scheme

Stops them from being built when building/testing against iOS 6.1 which
doesn't work.  They are built by the OCUnitApp+XCTest scheme which is
expected to only be run for iOS >= 7.0
Disable analysis on travis for now
Ensure meta-class is restored for Class spies

[Fixes #78068472]
Merge pull request #263 from pivotal/fix-spy-on-class

Ensure meta-class is restored for Class spies
Move Equal matcher implementation to private namespace

[#77215690]
Move BeCloseTo matcher to private namespace
Move BeFalsy matcher into private namespace
Move BeGreaterThan to a private namespace
Move BeGTE matcher into a private namespace
Move BeInstanceOf matcher to private namespace
Move BeLessThan matcher to private namespace
Move BeLTE matcher to private namespace
Move BeNil matcher to private namespace
Move BeLSameInstanceAs matcher to private namespace
Move BeTruthy matcher to private namespace
Move ConformTo matcher to private namespace
Move Exist matcher to private namespace
Move RaiseException matcher to private namespace
Move RespondTo matcher to private namespace
Move BeEmpty matcher to private namespace