fix warnings in ArithmeticExerterTest
use Name attribute instead of SorcerServiceInfo.providerName to search services
(qa) clean ex6/start-all-prvs.config
add created/started service counters
ju-arithmetic-prv: add dep to sos-env;
add sui modules to classpath of cataloger nad logger;
Accessor: add default filter;
CatalogExertDispatcher: do not try to call remote jobber when called with non-NetJob