Resolve issue with user registration.
Lowercase email addresses on save.
Add Notification domain class.
Allow users to be invited by their username.
Update Flat UI to latest version.
Resolve issue with dropdown not triggering.
Add URL to Notifications.
Add dateCreated to Notification.
Implement basic notification system.
Allow navigation when notification is clicked.
Add LochChatClient to send messages from server to chatroom, and large refactoring to the chatroom endpoint and handling user invitations.
Create NotificationEndpoint.
Implement subscription to NotificationEndpoint.
Implement NotificationClient and sending messages to NotificationEndpoint.
Implement receiving notifications via websocket.