Break up 'download survey' for mobile too webservice into survey and species parts

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Currently there is a single web service for downloading a survey in json 
format, which currently is used to populate the mobile tool's database.

The species list can be very large which can cause issues when the json string 
takes up too much memory on the mobile device. Do the following.

1. Add a new survey download webservice that excludes the species.
2. Add a new species download for survey webservice that allows pagination of 
results.

Note we are leaving the old web service intact to support legacy users.

Original issue reported on code.google.com by aaron.lo...@gmail.com on 30 Aug 2012 at 3:03

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Original comment by aaron.lo...@gmail.com on 30 Aug 2012 at 7:44

• Changed state: Fixed

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Rev 396

Original comment by aaron.lo...@gmail.com on 30 Aug 2012 at 7:45