Todd Gamblin 527ff860f0 patches: clean up patch.py, directives, and package class properties ... - cleanup patch.py: - make patch.py constructors more understandable - loosen coupling of patch.py with package - in Package: make package_dir, module, and namespace class properties - These were previously instance properties and couldn't be called from directives, e.g. in patch.create() - make them class properties so that they can be used in class definition - also add some instance properties to delegate to class properties so that prior usage on Package objects still works		2018-12-30 00:19:08 -08:00
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spack	patches: clean up patch.py, directives, and package class properties	2018-12-30 00:19:08 -08:00