Can now run liftoff directly from the bin/ directory.
Fixed errors - possibly related to used Ruby version?
Treat warnings as errors for all build configurations.
Retrieve the project group (the one named after the target when creating a new Xcode project).
Find an object by display_name
Helper method for moving the "Supporting Files" group to the main group.
Remove InfoPlist.strings (defunct right now).
Remove InfoPlist.strings works now (save was missing, duh).
Added because using xcodeproj's sort throws.
Sort all groups in the project.
Remove debugging log and sort subgroups.