updated with remote master
Merge branch 'master' of https://github.com/ndomar/megasoft-13
updated with remotes master
reimplemented helper methods
tests implemented
frontend + UML +tests + doc
updated with master
added doc for statistics_controller
fixed UML
removed coverage from commit
Merge pull request #276 from ndomar/C2S11_Task_Statistics

C2 s11 task statistics