Merge pull request #78 from sandriu/master

Refs #1889: style Publications tab
center meeting image on meeting profile
Merge remote branch 'upstream/master'
Add news template and slots
Add news template and slots
Merge branch 'master' of https://github.com/eaudeweb/cms.themes
Merge remote branch 'upstream/master'
style the Working Groups listing
Add news image field
Edit news teaser
Merge remote branch 'upstream/master'
style the Campaigns listing