Fix links in gitlab environment
The following discussion from !35 should be addressed:
@gsell started a discussion: (+1 comment)
@snuverink_j my idea was to replace these links (also all these links in Manual.asciidoc) with links to files in the repo. Then we have working links in the rendered version. So, these links should be replaced with:
Right now this will need macro duplication in every file, however once we are on gitlab version 12 the macros only need to be defined in a single file.