Fix example development configuration to avoid use of empty sqlapi.domain

This is because as of CartoDB-SQL-API-1.8.2 the "user_from_host"
default configuration for "development" environment is:

  '^(.*)\\.localhost'

Which would not match a domain-less hostname

Closes #117 for real now.

config/environments/development.js.example

@@ -72,7 +72,7 @@ var config = {
         // The "domain" part will be appended to 
         // the cartodb username and passed to
         // SQL-API requests in the Host HTTP header
-        domain: '',
+        domain: 'localhost.lan',
         version: 'v1'
     }
     ,varnish: {