sci-electronics/player: Bump EAPI to 5; Bump to python-single-r1 eclass

Package-Manager: portage-2.2.7
sci-electronics/player: Fix java support

Package-Manager: portage-2.2.7
sci-electronics/player: Fix deps

Package-Manager: portage-2.2.7
sci-mathematics/dolfin: Bump EAPI to 5; Bump to python-single-r1 eclass

Package-Manager: portage-2.2.7
sci-mathematics/kayali: Bump EAPI to 5; Bump to python-single-r1 eclass

Package-Manager: portage-2.2.7
sci-mathematics/Macaulay2: Bump EAPI to 5; Bump to python-single-r1 eclass

Package-Manager: portage-2.2.7
sys-cluster/mpich2: Drop old

Package-Manager: portage-2.2.7