La4 ok

git-svn-id: https://svn-und.ida.liu.se/courses/TDDA69/2014-1-LABA/dps14-17@430 f755f007-c756-ecd9-af3f-c59611e9c27e
La5 ok

git-svn-id: https://svn-und.ida.liu.se/courses/TDDA69/2014-1-LABA/dps14-17@431 f755f007-c756-ecd9-af3f-c59611e9c27e