update readme

Signed-off-by: lvanderlinden <l.vanderlinden@cogsci.nl>
Update workshop

Signed-off-by: lvanderlinden <l.vanderlinden@cogsci.nl>
Worked on workshop

Signed-off-by: lvanderlinden <l.vanderlinden@cogsci.nl>
Worked on workshop

Signed-off-by: lvanderlinden <l.vanderlinden@cogsci.nl>
Merge branch '2.9.1' of github.com:lvanderlinden/osdoc into workshop
Update aix2014 tutorial