config: import setuptools.find_packages on demand to avoid circular import issues with namespace packages
requirements: hgdistver >= 0.23
Zetup.config/__getitem__ (redirecting to __dict__)
initial Zetup.config_py + doc strings
commands.make: support package/*.jinja templates
package/zetup_config.py.jinja
ZETUP_CONFIG_MODULE
.py properties for writing config values as python code to zetup_config.py + some fixes/cleanup
zetuprc: zetup_config_package-->module
Zetup.config_py: exclude NOTEBOOKS
Extras.py: first comma then newline
commented out zetup.__notebook__
Extras.py: direct requirements texts
setup: add make/templates/*.jinja to package_data
Zetup.setup_keywords(): add 'all' to extras_require