fhem.html & co: updates for 5.6


git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@6924 2b470e98-0d58-463d-a4d8-8e2adae1ed80
deb: Fixing startup problems while installing


git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@6925 2b470e98-0d58-463d-a4d8-8e2adae1ed80
CHANGED: 5.6 documented.
Makefile: some simplifications, removing deb-nightly


git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@6926 2b470e98-0d58-463d-a4d8-8e2adae1ed80
chartingfrontend: initial work on chart integration in fhem

git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@6928 2b470e98-0d58-463d-a4d8-8e2adae1ed80
MYSENSORS_DEVICE: fix import ReadingsVal

git-svn-id: https://svn.code.sf.net/p/fhem/code/trunk@6929 2b470e98-0d58-463d-a4d8-8e2adae1ed80