Merge pull request #25 from boegel/contrib_goolfc-2.0.10

rework goolfc/2.6.10 easyconfigs using gcccuda subtoolchain, add GROMACS easyconfig for goolfc/2.6.10
change gromacs version from 4.6.1 to 4.6.5

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
promote version of hwloc from 1.7.2 to 1.8

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
add netloc and its dep Jansson

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>