Merge pull request #53 from dupps/master

layout for modules and pages of guest, user and admin
Merge pull request #10 from cbos-team/master

layout for modules and pages of guest, user and admin
Implemented module logic for module navigation
Merge pull request #54 from KevinHuebner/master

Implemented module logic for module navigation
Merge pull request #9 from cbos-team/master

navigation module logic