added config files for darwin, added swig and pce to build scipy, added packages.yml.darwin with patchelf removed
updated the hashdist version to get the select.poll fix on darwin
updated darwin arch to use our own gfortran
moved the config files out of the way since they're darwin specific
updated hdist-launcher ref
Merge remote-tracking branch 'origin/darwin-cek' into proteus-pre1.0

Conflicts:
	packages.yml
	packages.yml.darwin
	packages.yml.linux
added some changes to darwin configs
Merge branch 'proteus-pre1.0' of https://github.com/hashdist/python-hpcmp2 into proteus-pre1.0
added installation of petsc4py conf module
initial working version of the darwin arch