timing for virtual acks

git-svn-id: svn://svn.code.sf.net/p/fhem/code@4759 2b470e98-0d58-463d-a4d8-8e2adae1ed80
fhemweb.js: check body longpollfilter attribute (for Dashboard)
console.log("F1:"+filter);


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4760 2b470e98-0d58-463d-a4d8-8e2adae1ed80
FHEMWEB: fix IPV6 link


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4761 2b470e98-0d58-463d-a4d8-8e2adae1ed80