Add react-addons-css-transition-group dependency
Add react-addons-css-transition-group dependency

"ERROR in ./~/redux-notifications/lib/components/Notifs.js
Module not found: Error: Cannot resolve module 'react-addons-css-transition-group' in XXX\node_modules\redux-notifications\lib\components
 @ ./~/redux-notifications/lib/components/Notifs.js 15:37-81"
indexiatech/re-notif