Update event push-up in pool client

See !36 (closed) -- DISPOSE is missing, others may also be.

We need to also take care of DISPOSE:after -- that fails on the PM, because the app that caused the DISPOSE no longer has a CDO registry entry when the event is being generated

[D:pm] pool_manager:0 1 PM (oryx2 264030) 1408029171055125: mstro_pm_cdo_app_lookup(/home/biddisco/src/maestro/maestro-core/maestro/pool_manager_registry.c:1595) No handle entry for app 3 for CDO 14aa58bd-e4fc-58d7-8914-860e9d51fcdf.00, local-id 2
[E:pm] pool_manager:0 1 PM (oryx2 264030) 1408029171059579: mstro_pm_cdo_app_match(/home/biddisco/src/maestro/maestro-core/maestro/pool_manager_registry.c:1849) Failed to find CDO entry for app 3