rework goolfc/2.6.10 easyconfigs using gcccuda subtoolchain, add GROMACS easyconfig for goolfc/2.6.10
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