Also fix some whitespace and Doxygen comments

Change-Id: I0a3440cdff2b1b74b2aa4572fc5c92c1525bfd61
Reviewed-on: https://gerrit.libreoffice.org/17549Reviewed-by: Phillip Sz <phillip.szelat@gmail.com>
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Norbert Thiebaud <nthiebaud@gmail.com>