PIG 16 - Gammapy package structure

[Christoph Deil]

Hi,

we propose some changes (hopefully improvements) to the Gammapy package structure.

After discussion at the Erlangen coding sprint last week and considering various options, here’s the proposal:

PIG 16 - Gammapy package structure

https://github.com/gammapy/gammapy/blob/d1557945873abc24fad63e24bfcd91503059184e/docs/development/pigs/pig-016.rst

The deadline for comments is August 11.

Commenting on Github is preferred:
https://github.com/gammapy/gammapy/pull/2274
But you can also send comments via email or Slack if you prefer.

Christoph, Axel & Régis