Changed registerButton
Merge pull request #25 from buren/Task4_2

Task4 2
Task 8.3 done
Merge branch 'master' of github.com:buren/enduro into task8_3
Merge pull request #26 from buren/task8_3

Task8 3
Changed PrinterTest to FormatterTest, fixed test
Changed PrinterTest to FormatterTest, fixed tests