mathjax now in main tree
Merge branch 'master' of git://git.overlays.gentoo.org/proj/sci
Merge branch 'master' of git://git.overlays.gentoo.org/proj/sci
sci-physics/root: version bump
app-doc/root-docs: version bump

And fix headers installations: they should not be compressed.
Merge branch 'master' of git://git.overlays.gentoo.org/proj/sci
sci-libs/atlas: Switched threads libraries to Libs.private in pkg-config files

Package-Manager: portage-2.2.01.21688-prefix