Merge ~cjwatson/ols-charm-deps:interface-pgsql-2.2.1 into ols-charm-deps:master

[Colin Watson]

Bump interface-pgsql to v2.2.1

This seemed to fix some odd relation-handling bugs in the launchpad-appserver charm for me. (We were previously on v2.0.1.)

[Guillermo Gonzalez (verterok)]

Thanks

review: Approve

diff --git a/charm-dependencies b/charm-dependencies
index 4e231be..4ffc41b 100644
--- a/charm-dependencies
+++ b/charm-dependencies
@@ -5,7 +5,7 @@ interface/juju-info             git+https://github.com/juju-solutions/interface-
 interface/rabbitmq              git+https://github.com/openstack/charm-interface-rabbitmq.git;revno=73e9950
 interface/memcache              git+https://github.com/canonical/interface-memcache.git;revno=d817304
 interface/conn-check            git+ssh://git.launchpad.net/~ubuntuone-hackers/conn-check/+git/interface-conn-check;revno=780dc16
-interface/pgsql                 git+ssh://git.launchpad.net/interface-pgsql;revno=1e60e1b
+interface/pgsql                 git+ssh://git.launchpad.net/interface-pgsql;revno=v2.2.1
 interface/logs                  git+ssh://git.launchpad.net/~ubuntuone-pqm-team/ols-charm-deps/+git/interface-logs;revno=198a704
 interface/cassandra             git+ssh://git.launchpad.net/~ubuntuone-hackers/ols-charm-deps/+git/interface-cassandra;revno=0889b70
 interface/prometheus            lp:~ubuntuone-hackers/ols-charm-deps/juju-interface-prometheus;revno=1