[FORMATTING] Remove trailing whitespace. Addendum to 34593d93. Excluded: 3rd-party code (incl. wine) and most of the win32ss.
[CONTRIBUTING] Update .gitmessage The template is made more clear and specific. Added non-mandatory width hints.
[CONTRIBUTING] Update .gitmessage template
[CONTRIBUTING] Add a commit template and a paragraph about it This template defines a general commit style, and will be most helpful for newcomers. I will be using it personally :)