should use rspec --document formatter
should have a way of comparing versions
replace above_or_eql_version? with Version >=

* adds rspec tests for udid_and_bundle_for_launcher
REFACTOR should keep specs clean
tests for launching againsts 5.1 < xcode < 5.1.1
add notes to README about possible useful tools
fixes ruby warning (revealed with rspec) in Version class
Xcode 6 simulator needs a different 'quit' message
need to 'delete' DEVELOPER_DIR not set it to ''
if no simulator is defined, use a default (xcode 6)
WIP spec for testing launching simulator with Instruments
rspec documenation should read nicely
additions to .irbrc for a better irb experience
WIP should have a good tool for working with Xcode
deprecate Core.xcode_version with XCTools.xcode_version
Core.default_tracetemplate should always select _Xcode_ tracetemplate

handles edge case where Automation.tracetemplate could be present in
the user's Instruments/Templates applications support directoy.
Core.udid_and_bundle... should use XCTools for version checking
run_loop_spec should use XCTools
WIP adding Guard to run rspecs automatically

Makes me feel like a real developer.
WIP need plist buddy to enable accessibility on sims