Account should respond to custom data
Merge pull request #52 from DamirSvrtan/development

Merging Pull Request with account store mapping CRUD into development branch.
Adding 'redis-server' config to travis.yml to see if it helps to fix the travis build.
Changing release date + minor change to 'account_store.rb'.
Custom data method missing logic
Merge remote branch 'upstream/development' into development