[contributionguide] Description of backwards compatibility policy (!1906) · Merge requests · dumux-repositories / dumux · GitLab

Ned Coltman requested to merge contributionguide/backwardscompatibility into master Mar 26, 2020

fixes #818 (closed).

Describe general rule
Give examples of deprecation methods
Have someone else check the psuedocode deprecation examples.
Describe what to do if backwards compatibility is not feasible.
Add short description in README.md

Edited Mar 26, 2020 by Ned Coltman