Targets should have be associated with a set of architectures

Additionally, Mac should build fat binaries by default.  Furthermore, the name "autowiring_ARCHITECTURE" is now exclusively used for package configuration, and the variable autowiring_BUILD_ARCHITECTURES is used internally instead.
Merge pull request #213 from leapmotion/feature-fatbins

Targets should have be associated with a set of architectures
Bumped version number
Correcting invalid architecture checklist system

 - More debug print logic
 - Adding a missing short-circuit statement for architecture checking
 - Correcting syntax of the "list FIND" command invocation
Merge pull request #214 from leapmotion/fix-archcheck

Correct invalid architecture checklist system
Adding an "expect" string manipulator
Adding an AutoConfig concept and corresponding tests