state bug fix


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4363 2b470e98-0d58-463d-a4d8-8e2adae1ed80
decode non ascii subject to utf-8
check gpg signatures


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4364 2b470e98-0d58-463d-a4d8-8e2adae1ed80