#474 Starting GTM and GTM Proxy after unexpected termination

[cbx]

When GTM and GTM Proxy start after both of them were terminated unexpectedly, GTM Proxy outputs many log messages like next and it comes to consume much memory more than 7GB.
It looks a kind of an error handling problem.

 1:140011538507520:2014-02-03 11:37:23.641 JST -LOG:  Node with the given ID number already exists
 LOCATION:  pgxcnode_add_info, register_common.c:249
 1:140011538507520:2014-02-03 11:37:23.641 JST -LOG:  Node with the given ID number already exists
 LOCATION:  pgxcnode_add_info, register_common.c:249
 1:140011538507520:2014-02-03 11:37:23.641 JST -LOG:  Node with the given ID number already exists
 LOCATION:  pgxcnode_add_info, register_common.c:249
 1:140011538507520:2014-02-03 11:37:23.641 JST -LOG:  Node with the given ID number already exists
 LOCATION:  pgxcnode_add_info, register_common.c:249
 1:140011538507520:2014-02-03 11:37:23.641 JST -LOG:  Node with the given ID number already exists
 LOCATION:  pgxcnode_add_info, register_common.c:249
 1:139966597715712:2014-01-30 11:43:21.991 JST -LOG:  cleaning up client disconnection
 LOCATION:  GTMProxy_ProcessPendingCommands, proxy_main.c:2813
 1:139966597715712:2014-01-30 11:43:21.994 JST -LOG:  cleaning up client disconnection
 LOCATION:  GTMProxy_ProcessPendingCommands, proxy_main.c:2813
 1:139966597715712:2014-01-30 11:43:31.975 JST -LOG:  cleaning up client disconnection
 LOCATION:  GTMProxy_ProcessPendingCommands, proxy_main.c:2813
 1:139966597715712:2014-01-30 11:43:31.986 JST -LOG:  cleaning up client disconnection
 LOCATION:  GTMProxy_ProcessPendingCommands, proxy_main.c:2813
 1:139966597715712:2014-01-30 11:44:22.036 JST -LOG:  cleaning up client disconnection
 LOCATION:  GTMProxy_ProcessPendingCommands, proxy_main.c:2813
 1:139966597715712:2014-01-30 11:44:22.049 JST -LOG:  cleaning up client disconnection
 LOCATION:  GTMProxy_ProcessPendingCommands, proxy_main.c:2813
 1:139966597715712:2014-01-30 11:44:22.050 JST -LOG:  cleaning up client disconnection
 LOCATION:  GTMProxy_ProcessPendingCommands, proxy_main.c:2813
 1:139966597715712:2014-01-30 11:44:22.052 JST -LOG:  cleaning up client disconnection
 LOCATION:  GTMProxy_ProcessPendingCommands, proxy_main.c:2813