Added `NSDictionary.dictionaryFromQueryString`
Commentted out to install xctool
Updated travis.yml
Changed `test` to `run-tests` with parallelize
Reverted command
Modified the test target in travis ci
Updated travis.yml
Shared test scheme
Merge pull request #3 from roothybrid7/add_query2dictionary

Added `NSDictionary.dictionaryFromQueryString`