Merge branch 'features/memaxes' into develop

README.md

lib/spack/spack/build_environment.py

lib/spack/spack/cmd/location.py

share/spack/setup-env.sh

var/spack/packages/Mitos/package.py

var/spack/packages/bison/package.py

var/spack/packages/dbus/package.py

var/spack/packages/dri2proto/package.py

var/spack/packages/flex/package.py

var/spack/packages/gperf/package.py

var/spack/packages/icu4c/package.py

var/spack/packages/libdrm/package.py

var/spack/packages/libpng/package.py

var/spack/packages/libxcb/package.py

var/spack/packages/libxshmfence/package.py

var/spack/packages/llvm/package.py

var/spack/packages/memaxes/package.py

var/spack/packages/mesa/package.py

var/spack/packages/py-mako/package.py

var/spack/packages/qt/package.py