update year to 2013

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Bump version number for the 0.5.11 release
Merge remote-tracking branch 'qatar/release/0.5' into release/0.5

* qatar/release/0.5:
  Bump version number for the 0.5.11 release
  update year to 2013

Conflicts:
	VERSION

Merge is for metadata only, issues have been fixed in previous commits
already

Merged-by: Michael Niedermayer <michaelni@gmx.at>