Added back Announcement in views.py imports. Didn't mean to take it out.
Added back Announcement in views.py imports. Didn't mean to take it out.


git-svn-id: 0d26805d86c51913b6a91884701d7ea9499c7fc0@15 4e50ab13-fc4d-0410-b010-e1608ea6a288

rizumu/django-announcements,percipient/django-announcements,datafyit/django-announcements,pinax/pinax-announcements,GeoNode/geonode-announcements,datafyit/django-announcements,state-hiu/geonode-announcements,ntucker/django-announcements,edx/django-announcements,ntucker/django-announcements,arthur-wsw/pinax-announcements,pinax/django-announcements,arthur-wsw/pinax-announcements,GeoNode/geonode-announcements,pinax/django-announcements,percipient/django-announcements,rizumu/django-announcements,brosner/django-announcements