Notifications API is missing from from java api

[jkoidahl]

Create notifications resource

Notifications has the following properties:

• id: number;
• subject: string;
• description: string;
• isRead: boolean;
• createdBy: string;
• createdDate: Date;

Actions:

1. GET notifications: returns all notifications for the logged in user
2. PUT notifications/ : updates notification with id's read flag as true
3. PUT notifications : sets all notifications for current user with read flag as true
4. POST notifications: creates a notification for current user