Did the work for closing issue #304
Did the work: Add new records for floor of attic for EnEV2009, EnEV2002, WSchV1984,… WSchV1995
Correctly reference the records in the HOM: Attic_Ro2Lf5.mo
This should close #304 (closed)
@TobiasBlacha as you made me aware of the problem and know about it, would you please look over the changes and if all is good accept the pull request?