apiv2 stream events

the events endpoint should be stream-based.  it also needed to be registered to answer and not produce 404s.

Signed-off-by: Brent Baude <bbaude@redhat.com>

pkg/api/server/server.go

@@ -106,6 +106,7 @@ func newServer(runtime *libpod.Runtime, duration time.Duration, listener *net.Li
 		server.RegisterContainersHandlers,
 		server.RegisterDistributionHandlers,
 		server.registerExecHandlers,
+		server.RegisterEventsHandlers,
 		server.registerHealthCheckHandlers,
 		server.registerImagesHandlers,
 		server.registerInfoHandlers,