Merge pull request #853 from strongloop/add_new_connectors_2x

Fix missing connector error msg for db2, cloudant for 2.x

lib/datasource.js

@@ -198,7 +198,7 @@ function connectorModuleNames(name) {
     }
   }
   // Only try the short name if the connector is not from StrongLoop
-  if (['mongodb', 'oracle', 'mysql', 'postgresql', 'mssql', 'rest', 'soap']
+  if (['mongodb', 'oracle', 'mysql', 'postgresql', 'mssql', 'rest', 'soap', 'db2', 'cloudant']
       .indexOf(name) === -1) {
     names.push(name);
   }