Adding Scintillator-CMOS-Distance and being more verbose

Changes untested on OS X.
Fixes #7 on Linux.
Catching empty input in AskUser-function

- If the user does not enter anything (on Linux), we keep pestering
  him/her for a choice.
- More pretty output
Merge branch 'distance'
Merge branch 'master' of github.com:habi/GlobalDiagnostiX