Boost fixes - Linked with pre-compiled boost library addon for OSX.

Hey, was having a lot of trouble with linking against your version of boost.
I had some scripts to compile boost and basically ended up making an addon for OSX boost for 1.55.0.

Let me know if this works for you too.

(So checkout ofxOSXBoost to addons: https://github.com/danoli3/ofxOSXBoost )

Regards,
Dan