See tests/core/pyspec/README.md for usage description.
This commit:
- refactors config loading to be part of the pyspec package
- updates requirements and main files to use new config loading
- cleans up the build script
- converts the build script to a distutil command
- runs pyspec build as part of build package command
- provides pyspecdev command to get editable spec python files
Danny Ryan
protolambda