WIP adds SimControl for iteracting the with simulator
should use SimControl in rspec tests
WIP tweaking guard setup
WIP renaming refactor and documentation updates
specs should be able to log messages
should be easier to determine if Xcode > 6
should be able to reset sim contents and settings

REQUIRED for testing enabling accessibility.
WIP aggressively terminate simulator and launchd_sim child processes
WIP tweaking mocks and which tests run on travis
WIP automatically enabling simulator accessibility b4 launching
WIP less aggressively terminating launchd_sim children
WIP stablizing CI builds
WIP revert verbose logging on CI and exists? => exist?