Merge pull request #1041 from adamjstewart/features/matplotlib

var/spack/repos/builtin/packages/ImageMagick/package.py

var/spack/repos/builtin/packages/ghostscript/package.py

var/spack/repos/builtin/packages/pcre/package.py

var/spack/repos/builtin/packages/py-cycler/package.py

var/spack/repos/builtin/packages/py-matplotlib/package.py

var/spack/repos/builtin/packages/py-pyside/package.py

var/spack/repos/builtin/packages/python/package.py

var/spack/repos/builtin/packages/qhull/package.py

var/spack/repos/builtin/packages/qhull/qhull-iterator.patch

var/spack/repos/builtin/packages/qt/btn_trigger_happy.patch

var/spack/repos/builtin/packages/qt/package.py