https://bugzilla.redhat.com/show_bug.cgi?id=963975 & https://issues.jboss.org/browse/HORNETQ-1195  connection stop will pause delivery on jms browser as well
and a change on jms/BrowserTest, where there's no need for an extra sleep on that test
Merge pull request #1069 from clebertsuconic/2.3.x

https://bugzilla.redhat.com/show_bug.cgi?id=963975 & https://issues.jboss.org/browse/HORNETQ-1195  connection stop will pause delivery on jms browser as well