sci-biology/ncbi-tools++: Some Prefix love

Package-Manager: portage-2.2.0_alpha170
RepoMan-Options: --force
Merge branch 'master' of git+ssh://git.overlays.gentoo.org/proj/sci

* 'master' of git+ssh://git.overlays.gentoo.org/proj/sci:
  Add patches for gcc-4.8 and linux-3.9
  Enable more options
  Add patch to fix as-needed issue
  Fix autogen
  build was renamed to config
  Update rebased patches
  sci-mathematics/cadabra-1.31: new line fixes, thanks to jlec
  sci-mathemtics/cadabra-1.31: different fixes, thanks to jlec
  sci-mathematics-cadabra-1.31: bump to EAPI-5
  sci-mathematics/cadabra: version bump