usersource/anno — pull request #63 by topcircler (2013-11-21 14:10:09+00:00)
Title: latitude/longitude/country support

1. add 'latitude' and 'longitude' fields into anno entity in datastore;
2. add 'country' fields into anno entity in datastore;
3. store latitude and longitude that passes from client side;
4. store country by calling google map based on the latitidue and longitude.