The case with the tag "moduleauthor" is not handled when
checking to avoid author makers.
Also fix the position when the tag Author is used.
Change-Id: I17b07b9f5448f9cbb4c5705f655c5392316a6239
Closes-Bug: #1314176
We don't need to have the vi modelines in each source file,
it can be set in a user's vimrc if required.
Also a check is added to hacking to detect if they are re-added.
Change-Id: I347307a5145b2760c69085b6ca850d6a9137ffc6
Closes-Bug: #1229324