Merge pull request #70 from rhunwicks/issues/64

Check for translation entry before raising KeyError - fixes #64
Merge branch 'r0.7'
Merge branch 'r0.7'
Merge branch 'r0.7'
Run Travis-CI tests under Postgres 9.3.
Fix previous submission of .travis.yml to ensure we run PG 9.3.
Encode output using utf-8
Merge pull request #78 from court-jus/master

Encode output using utf-8
Workaround for Travis-CI running PG 9.3.