patch+package bigcouch to increase MAX_RECV_BODY

see #4906 (closed)

(from redmine: created on 2014-01-09, closed on 2014-01-19, relates #4906 (closed), relates #1867 (closed), relates #1972 (closed), relates #4945 (closed), relates #6187, relates #6444 (closed), blocks #4935 (closed))