fix the upload with area name containing "&"
Merge branch 'backend' of github.com:hxu/hk_census_explorer into backend
reuqire admin decorator
admin
translate
district to regions
Merge branch 'backend' of https://github.com/hxu/hk_census_explorer into backend
clean and check in translation dict
cache
fix ca_obj_cache problem
protect tasks
allow cross site requests to API
Merge branch 'backend' into frontend