Couchdb 1.6 changes admin pw every puppetrun

   - [local1.bitmask.local] Notice: /Stage[main]/Couchdb::Base/File[/etc/couchdb/local.d/admin.ini]/content: content changed '{md5}8166ebc877507df1930453592a53d3f8' to '{md5}1d311f5b5122f9d1ae0133e125c06757'
   - [local1.bitmask.local] Notice: /Stage[main]/Couchdb::Base/Exec[couchdb_restart]: Triggered 'refresh' from 1 events

(from redmine: created on 2015-11-18, closed on 2016-03-08, relates #7120 (closed))