mod8 fixes

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@6335 2b470e98-0d58-463d-a4d8-8e2adae1ed80
fixed typo


git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@6336 2b470e98-0d58-463d-a4d8-8e2adae1ed80
OWX_ASYNC: schedule all tasks to single queue if buspower is parasitic

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@6337 2b470e98-0d58-463d-a4d8-8e2adae1ed80
OWX_ASYNC add attribute 'buspower' to support devices stealing power from data-line

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@6338 2b470e98-0d58-463d-a4d8-8e2adae1ed80