sci-libs/gmsh: Updated sci-libs/gmsh to 2.8.5 and EAPI to 5

Package-Manager: portage-2.3.6-r9
sci-physics/thepeg: add libraries to LD_LIBRARY_PATH, add rivet USE description
sci-physics/herwig++: fix dependency on sci-physics/looptools
sci-physics/looptools: version bump
fix Manifests: thin-manifests
sci-physics/thepeg: version bump
sci-physics/herwig++: version bump
sync with gx86

Package-Manager: portage-2.2.8-r1
sync with gx86

Package-Manager: portage-2.2.8-r1
sync with gx86

Package-Manager: portage-2.2.8-r1
sci-libs/med: move sources to my devspace, as upstream mirror does not provide them anymore, see bug #503030
sci-mathematics/petsc: make configure work on systems with default python3 interpreter
Merge PR #260 from Carl Dong: update sci-libs/gmsh to 2.8.5 and change EAPI to 5
sci-mathematics/petsc: fix INCLUDE dirs in petscvariables
sci-libs/gmsh: fix sci-mathematics/petsc dependency
sci-libs/gmsh: remove old and live versions

old version is outdated and has problems with compilation
svn repo can not be accessed anonymously
licenses: add CeCILL-2.0 license needed by sci-mathematics/gappa
sci-mathematics/apron: silence repoman, fix metadata.xml
sci-mathematics/why: silence repoman, fix metadata.xml
sci-mathematics/why3: silence repoman, fix metadata.xml