pick a couchdb version

1.4 was removed from testing:

• http://packages.qa.debian.org/c/couchdb.html
• http://packages.qa.debian.org/c/couchdb/news/20140214T163910Z.html
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=735501

--- ~ » rmadison couchdb
ubuntu:
 couchdb | 0.10.0-1ubuntu2       | lucid                    | source
 couchdb | 0.10.0-1ubuntu2       | lucid/universe           | all
 couchdb | 1.0.1-0ubuntu3~lucid2 | lucid-backports          | source
 couchdb | 1.0.1-0ubuntu3~lucid2 | lucid-backports/universe | all
 couchdb | 1.0.1-0ubuntu18       | precise/universe         | source, all
 couchdb | 1.2.0-2ubuntu1        | quantal/universe         | source, all
 couchdb | 1.4.0-0ubuntu1        | saucy/universe           | source, all
 couchdb | 1.5.0-0ubuntu1        | trusty/universe          | source, all
debian:
 couchdb | 0.11.0-2.3 | squeeze | source, amd64, armel, i386, ia64, kfreebsd-amd64, kfreebsd-i386, mips, mipsel, powerpc, s390, sparc
 couchdb | 1.2.0-5    | wheezy  | source, amd64, armel, armhf, i386, ia64, kfreebsd-amd64, kfreebsd-i386, mips, mipsel, powerpc, s390, s390x, sparc
 couchdb | 1.4.0-3    | sid     | source
 couchdb | 1.4.0-3+b1 | sid     | amd64, armel, armhf, hurd-i386, i386, kfreebsd-amd64, kfreebsd-i386, mips, mipsel, powerpc, s390x, sparc

• 1.5 in ubuntu ppa: https://launchpad.net/~couchdb/+archive/stable

(from redmine: created on 2014-04-08, closed on 2014-10-06, relates #6187)