Add stylesheet and mageia navigation bar

git-svn-id: svn+ssh://svn.mageia.org/svn/soft/mga-treasurer/trunk@8609 5b7c3c08-40e5-403b-9995-ace06908e4af
Fix indentation

git-svn-id: svn+ssh://svn.mageia.org/svn/soft/mga-treasurer/trunk@8610 5b7c3c08-40e5-403b-9995-ace06908e4af
donations_who.html: explain that donors from before 2013 are not listed

git-svn-id: svn+ssh://svn.mageia.org/svn/soft/mga-treasurer/trunk@8611 5b7c3c08-40e5-403b-9995-ace06908e4af
Version 0.9

git-svn-id: svn+ssh://svn.mageia.org/svn/soft/mga-treasurer/trunk@8612 5b7c3c08-40e5-403b-9995-ace06908e4af