Merge branch 'hotfix/0.8.0.1'
Latest translations from Transifex.
Merge branch 'hotfix/0.8.0.2'
Merge branch 'release/0.9'

Conflicts:
    locale/cs/app.po
    locale/he_IL/app.po
    locale/id/app.po
    locale/it/app.po
    locale/ro_RO/app.po
    locale/uk/app.po
Mark ban text as html safe
Update commonlib to get https://github.com/mysociety/commonlib/commit/735dbe574c63650e5d086eea9f7ad57bbd76927f, which should allow non-ascii config variable values.
Merge branch 'hotfix/0.9.0.1' into rails-3-develop