Fixed bug when Streams/relatedTo messages generate notifications with URL of category stream, but not related stream.
Fixed bug when Streams/relatedTo messages generate notifications with URL of category stream, but not related stream.

EGreg/Platform,EGreg/Platform,jkokh/Platform,AndreyTepaykin/Platform,AndreyTepaykin/Platform,EGreg/Platform,Qbix/Platform,AndreyTepaykin/Platform,Qbix/Platform,EGreg/Platform,Qbix/Platform,jkokh/Platform,jkokh/Platform,Qbix/Platform,jkokh/Platform,AndreyTepaykin/Platform