update openlayers to the latest
latest OL so that overlays do not repeat anymore (thanks @ahocevar for the fix in OL)
never wrap the dateline see MapStory/mapstory/issues/771
check for session in upload progress, refs #821
Merge branch 'mapstory' of github.com:opengeo/geonode into mapstory
update the viewer to use the new annotations interface
Merge branch 'mapstory' of https://github.com/opengeo/geonode into issue-660-new-annotations