Code fix preventing adding the same JID multiple times if the same buddy occurs in different dynamic rosters or in both dynamic and the standard roster,
Code fix preventing adding the same JID multiple times if the same buddy occurs in different dynamic rosters or in both dynamic and the standard roster,

git-svn-id: 4a0daf30c0bbd291b3bc5fe8f058bf11ee523347@2679 7d282ba1-3ae6-0310-8f9b-c9008a0864d2

pivotal-nathan-sentjens/tigase-xmpp-java,f24-ag/tigase,pivotal-nathan-sentjens/tigase-xmpp-java,nate-sentjens/tigase-xmpp-java,caiyingyuan/tigase71,cgvarela/tigase-server,cgvarela/tigase-server,amikey/tigase-server,fanout/tigase-server,wangningbo/tigase-server,Smartupz/tigase-server,caiyingyuan/tigase71,caiyingyuan/tigase71,amikey/tigase-server,sourcebits-praveenkh/Tagase,Smartupz/tigase-server,wangningbo/tigase-server,wangningbo/tigase-server,fanout/tigase-server,fanout/tigase-server,Smartupz/tigase-server,f24-ag/tigase,cgvarela/tigase-server,f24-ag/tigase,nate-sentjens/tigase-xmpp-java,amikey/tigase-server,sourcebits-praveenkh/Tagase,f24-ag/tigase,caiyingyuan/tigase71,wangningbo/tigase-server,amikey/tigase-server,Smartupz/tigase-server,cgvarela/tigase-server,sourcebits-praveenkh/Tagase,cgvarela/tigase-server,pivotal-nathan-sentjens/tigase-xmpp-java,sourcebits-praveenkh/Tagase,sourcebits-praveenkh/Tagase,amikey/tigase-server,nate-sentjens/tigase-xmpp-java,pivotal-nathan-sentjens/tigase-xmpp-java,fanout/tigase-server,f24-ag/tigase,wangningbo/tigase-server,wangningbo/tigase-server,caiyingyuan/tigase71,nate-sentjens/tigase-xmpp-java,Smartupz/tigase-server,fanout/tigase-server,caiyingyuan/tigase71,Smartupz/tigase-server,nate-sentjens/tigase-xmpp-java,nate-sentjens/tigase-xmpp-java,f24-ag/tigase,pivotal-nathan-sentjens/tigase-xmpp-java,fanout/tigase-server,cgvarela/tigase-server,pivotal-nathan-sentjens/tigase-xmpp-java,sourcebits-praveenkh/Tagase,amikey/tigase-server,wangningbo/tigase-server