Update getNextIdFromDb method in initializers/idGenerator.js.
Merge remote-tracking branch 'upstream/master' into id_generator
1. Move query execution logic from initializers/idGenerator.js to initializers/dataAccess.js

 2. Update code in initializers/dataAccess.js to not use eval.

 3. Fix connect bug in test/helper/testHelper.js.
Merge pull request #195 from Ghost141/id_generator

Update idGenerator.js#getNextIdFromDb