Revert "try not installing lapack (for 14.04 install couldn't find lapack-dev)"
Revert "try not installing lapack (for 14.04 install couldn't find lapack-dev)"

This reverts commit 518d53c9deca41641900550f524034a178f1602a.

Gjacquenot/simbody,Gjacquenot/simbody,simbody/simbody,simbody/simbody,Gjacquenot/simbody