move HPCBIOS_* into dedicated directories for consistency
parallel building works, Qt build failed for another reason (cfr. https://github.com/hpcugent/easybuild-easyblocks/pull/245)
bump version to v1.7.0.0 and update release notes
fix typo
Merge pull request #420 from boegel/v1.7.0.x

move HPCBIOS* to dedicated dirs, allow building Qt in parallel, bump version and update release notes