Fix: Removed old variable, inserted STDCONFIG constant
Merge pull request #101 from matthiasbeyer/fix-variable

Fix: Removed old variable, inserted STDCONFIG constant
The root dir should be passed as Pathname, too
Check the root key here, too
We dont handle unavailable keys in the Runtime class anymore
Added required keys map including error msg
Added Diary.ask helper method for asking bool questions
Added runtime validation including directory creation