Fix/Update CI to use version 9 of gcc/g++ and clang
Fix/Update CI to use version 9 of gcc/g++ and clang

- Properly sent env: so that CC and CXX are actually used.
- Enable debug and release builds.
- Set Fortran compilers in env.
- Add libomp dependency.
- Minor cleanups and refactors.

Signed-off-by: Brad Geltz <e42f3ad4099980ea02f08e076efbee5cf9d4a803@intel.com>
Change-Id: I455bacc8de5532c14a3a2eece2688b5de799634d

geopm/geopm,cmcantalupo/geopm,cmcantalupo/geopm,geopm/geopm,geopm/geopm,geopm/geopm,cmcantalupo/geopm,geopm/geopm,cmcantalupo/geopm,cmcantalupo/geopm