[WFCORE-5363] Upgrade JBoss Remoting to 5.0.21.Final Fixes:  * [REM3-377] Use safeClose() in ClientServiceHandle.close()
[WFCORE-5363] Upgrade JBoss Remoting to 5.0.21.Final
Fixes:
 * [REM3-377] Use safeClose() in ClientServiceHandle.close()

darranl/wildfly-core,soul2zimate/wildfly-core,bstansberry/wildfly-core,bstansberry/wildfly-core,jfdenise/wildfly-core,darranl/wildfly-core,jfdenise/wildfly-core,yersan/wildfly-core,soul2zimate/wildfly-core,bstansberry/wildfly-core,jamezp/wildfly-core,yersan/wildfly-core,jamezp/wildfly-core,ivassile/wildfly-core,ivassile/wildfly-core,jfdenise/wildfly-core,jamezp/wildfly-core,ivassile/wildfly-core,soul2zimate/wildfly-core,yersan/wildfly-core,darranl/wildfly-core