MB-35589: Extend select bucket logging
MB-35589: Extend select bucket logging

Add log entries when select bucket fails due to EACCESS:

INFO 61: select_bucket failed - Not authenticated.

Followed by JSON with more information:

    {
       "cid": "127.0.0.1:39668/efbeadde",
       "connection": "[ 127.0.0.1:39668 - 127.0.0.1:37011 (not authenticated) ]",
       "bucket": "foo"
    }

Change-Id: I904298e411dafa7dfb70e41f8b21dd40f3a34693
Reviewed-on: http://review.couchbase.org/113628
Reviewed-by: Matt Ingenthron <0b8dd71424cffcab543578047c2fbe6fd032151b@gmail.com>
Reviewed-by: Dave Rigby <a09264da4832c7ff1d3bf1608a19f4b870f93750@couchbase.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine