Merge pull request #12 from DM13B/master

Merge master into gruppe2alex
Merge pull request #15 from DM13B/master

mergine master into gruppe2alexbranch
products dataaccess + small ui for products (non functional yet)
Merge pull request #16 from DM13B/Gruppe2Alexander

Small products UI and Products dataaccess
Merge remote-tracking branch 'origin/master' into Gruppe1UnitTest