up Portfile openmpi to version 1.6.5 and fix variant gcc47 (also fix slepc Portfile)
up Portfile petsc to version 3.4.3 and use +atlas +ml as default variant (ps : accelerate not work with slepc)
up Portfile slepc to version 3.4.3
up Portfile gmsh-devel : not depends to petsc if has not variant slepc
up Portfile boost to version 1.54.0
Merge branch 'develop' of https://github.com/feelpp/feelpp into develop
up Changelog before release