Medium: CRM: Re-evaluate appropriate IPC message queue lengths and throtle IPC _clients_ that hit them
IPC Servers (crmd/cib): queue length = 1024, no throttling
IPC Clients (te/pe/cli tools): queue length = 512, throttling
If throttling is enabled and the queue maxes out, the client will block waiting for space in the queue
If throttling is not enabled and the queue maxes out, the connection will be closed

Mercurial revision: 0e25cb52e7e59f394b152ee7beb5647603d82d1a