git-svn-id: svn://svn.code.sf.net/p/fhem/code@4846 2b470e98-0d58-463d-a4d8-8e2adae1ed80
feature: LUXTRONIK2: attribute 'doStatistics' calculates boiler gradients

git-svn-id: svn://svn.code.sf.net/p/fhem/code@4847 2b470e98-0d58-463d-a4d8-8e2adae1ed80