Added SocketPermissions to qa tests, to accomodate JDK7u51 and greater.  As of that JDK release, opening a server port requires explicit permission.

git-svn-id: https://svn.apache.org/repos/asf/river/jtsk/branches/2.2@1583672 13f79535-47bb-0310-9956-ffa450edef68