Get Server Country Options

Allows to get a list of all the Servers that you can create your Opensolr indexes into.

1. GET https://opensolr.com/solr_manager/api/server_country
2. Parameters:
   1. ​email - your opensolr registration email address
   2. api_key - your opensolr api_key

3. Example: https://opensolr.com/solr_manager/api/server_country?email=&
   api_key=Please log in