commiting rapidsms_ureport
[Argha/DJ][Paul] moving local customisations for South Sudan over to a branch
[nim, jmdb] Putting south sudan on the map
[Argha] removing redundant migration for ureport models
[nim, jmdb] Making it retrieve the south sudan layer
[nim, argha] Fixed and refactored OpenLayers logic in  mapping javascript
[nim, argha] Moving export_locations_to_db into ureport management command as import_csv_locations
[nim] Making import locations script require the locations hierarchy csv file as an argument
[nim] Cleaning up