Bump version

Change-Id: Idd9e1d79ccde1c4fe4d5bda0007f6a4c357e5840
Remove some material with questionable copyright

Change-Id: I81bc4d678f717ccc73b0199d3dd0ba0d73be716d
Reviewed-by: Jani Heikkinen <jani.heikkinen@digia.com>
Merge remote-tracking branch 'origin/5.3.2' into 5.3

Change-Id: Ief8c794e676fae84b5de6ad241646a43d898c023