Linked to current versions of wiki pages
Announce Thomas' guest lecture
Slides for lecture 3
Linked slides for today's lecture
Added link to assigned teams to startpage
Product vision
linked product vision
Slides for Test First Tutorial
Linked slides of Test First Tutorial
Update of slides l5 (Testing tutorial)
update on room number
Linked wiki pages
Lecture slides about agile principles and practices
linked lecture slides l6
Assuming that this merge will allow me to edit README.md in the create_material branch.

Merge remote-tracking branch 'origin/master' into create_material