Send instant notification messages to the user in live.

This technical module allows you to send instant notification messages
from the server to the user in live. Two kinds of notification are
supported.

- Success: Displayed in a success theme color flying popup div
- Danger: Displayed in a danger theme color flying popup div
- Warning: Displayed in a warning theme color flying popup div
- Information: Displayed in a info theme color flying popup div
- Default: Displayed in a default theme color flying popup div
