Revert "Try to cure OS/X build on Travis"
Revert "Try to cure OS/X build on Travis"

This reverts commit 5d1dfab04d2c67fa17d7b186a5ce2d0a2fed07a0.

jpritikin/OpenMx,jpritikin/OpenMx,jpritikin/OpenMx,jpritikin/OpenMx,jpritikin/OpenMx,jpritikin/OpenMx