Base Handbook chapter 10 and 11

Hi *,

and here the rest:
chapter 10
http://robert.familiegrosskopf.de/lo_hb_en/BH5010-Maintenance.odt
chapter 11
http://robert.familiegrosskopf.de/lo_hb_en/BH5011-Appendix.odt

Only new screenshots inserted, also German text - so must be translated.

Regards

Robert