Initial implementation
Configured test targets to remove errors/warnings
Implemented nsarray reverse unit tests
Added class type checks for nsarray reverse category
Added nsarray statistics tests
Added nsmutablearray reversal tests
Added unit tests for nsobject block callback
Added nsstring empty tests
Implemented nstring time unit tests
Expanded nsarray statistics to include include fraction mean method
Added nstimer blocks unit tests
Added UIColor RGB unit tests and created a new UIColor CSS category (with unit tests)
Added uidevice unit tests and expanded uidevice category to include iOS 6 and 7 versions
Merge pull request #1 from wibosco/f_unit_tests

unit tests