Merge branch 'emmuhamm_add_warning_to_ci' into 'master'

Overhaul Decparser warnings for CI test

See merge request !1684 (merged)

(cherry picked from commit 11be8f61)

fef6272a Add baseplate to warn in ci 82376013 convert to w.warn or warn_with_ci fab7c2b5 Test ci test 378fe191 Add exit $? to allow failures c3c398f3 echo $? and exit 2 test a20cd45c Test exit on bash script a8560866 test rules if 68bfa38e Fix ci? 3fa8e49c Fix gitlab ci with linter c1086792 Remove empty string a0190f3c try exit a260c89c try more complicated 125 exit e65c4623 Try with proper exit cf748e00 Check what shell its using 00c64825 Add colors, change gitlabci 01eefc8d Unify warning handler, fix cautions/warnings d8c7877e Add extra warnings 89234a84 Test on one warning and one failing decfile 7ba44603 Clean MR 599f8ae2 Edit contributing