increased ns_port_server log throttling limits
increased ns_port_server log throttling limits

So that we can see more ep-engine/memcached log messages.

I'm also increasing ring buffer size of post-mortem logging to 100
lines. That should still be cheap enough, but preserve more
ultra-important diagnostics.

Change-Id: If3706282e1da96535947eedce6909d5088f157f6
Reviewed-on: http://review.couchbase.org/11867
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>

ceejatec/ns_server,ceejatec/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,t3rm1n4l/ns_server,daverigby/ns_server,mschoch/ns_server,t3rm1n4l/ns_server,nimishzynga/ns_server,ceejatec/ns_server,membase/ns_server,membase/ns_server,nimishzynga/ns_server,membase/ns_server,nimishzynga/ns_server,membase/ns_server,daverigby/ns_server,daverigby/ns_server,t3rm1n4l/ns_server,vzasade/ns_server,mschoch/ns_server,daverigby/ns_server,ceejatec/ns_server,membase/ns_server,mschoch/ns_server,ceejatec/ns_server,vzasade/ns_server,membase/ns_server,mschoch/ns_server,pavel-blagodov/ns_server,mschoch/ns_server,vzasade/ns_server,daverigby/ns_server,vzasade/ns_server,mschoch/ns_server,nimishzynga/ns_server,t3rm1n4l/ns_server,nimishzynga/ns_server,pavel-blagodov/ns_server,pavel-blagodov/ns_server,pavel-blagodov/ns_server,nimishzynga/ns_server