Improve Gitlab-CI configuration
- better use of Gitlab-CI variables
- fix the version of
autopep8
to use - improve usability of generated formatting patch (can be applied with a command using
git am
) - add build with gcc 6.2 (C++14), see discussion in !622 (merged)
- run the formatting check only on modified files
Note: this includes !448 (closed)
Edited by Marco Clemencic