more reuse with conn_list_remove and fixed proxy_td_timeout
more reuse with conn_list_remove and fixed proxy_td_timeout

zbase/moxi,steveyen/moxi,steveyen/moxi,steveyen/moxi,membase/moxi,membase/moxi,couchbase/moxi,zbase/moxi,membase/moxi,membase/moxi,couchbase/moxi,couchbase/moxi,couchbase/moxi,couchbase/moxi,steveyen/moxi,membase/moxi,couchbase/moxi,steveyen/moxi,zbase/moxi,zbase/moxi,zbase/moxi,membase/moxi