Package couchdb from latest git
so we can easily roll out and test on multiple nodes
instructions on manual compilation is here: https://we.riseup.net/leap/couchdb-manual#installation
(from redmine: created on 2014-10-06, relates #4940, relates #4935 (closed), relates #4932 (closed), relates #4906 (closed), relates #5480 (closed), relates #5469 (closed), relates #5830 (closed), relates #6083)