Remove un-need require in lipo.rb

Signed-off-by: Sam Vevang <sam.vevang@gmail.com>
No need to expose stdin from execute_lipo

Signed-off-by: Sam Vevang <sam.vevang@gmail.com>
Lipo#info returns a list of arches

Signed-off-by: Joshua Moody <joshuajmoody@gmail.com>
Remove un-needed pry from lipo_spec.rb
Use rspec expect syntax instead of should
Specs for Lipo#info successful path

Signed-off-by: Sam Vevang <sam.vevang@gmail.com>
Add FAT app bundle to rspec lipo_spec resources

Signed-off-by: Sam Vevang <sam.vevang@gmail.com>