sci-chemistry/openbabel-ruby: Switch from git-2 to git-r3

Package-Manager: portage-2.2.8
sci-chemistry/openbabel-python: Switch from git-2 to git-r3

Package-Manager: portage-2.2.8
sci-chemistry/openbabel-perl: Switch from git-2 to git-r3

Package-Manager: portage-2.2.8
sci-chemistry/gromacs: Switch from git-2 to git-r3

Package-Manager: portage-2.2.8
sci-chemistry/freeon: Switch from git-2 to git-r3

Package-Manager: portage-2.2.8
sci-chemistry/ball: Switch from git-2 to git-r3

Package-Manager: portage-2.2.8