gosam-contrib-higherrank: bug fixes
samurai: fix bug in bubble integrals, clean up code.
golem95: switch between reduction method tuned.
git-svn-id: svn+ssh://svn.hepforge.org/hepforge/svn/gosam/gosam-contrib-higherrank@204 a6e02f90-e1d0-4296-904b-e314d7e4afaa