* Added gid and uid to websocket (mg_connection)
Note: gid = group ID, uid = unique ID.
* Replaced old ws msg processing functions with new ones
* System functions:
- sys_display: Displays in console/terminal
- sys_unicast: unicast message to respective ws
- sys_broadcast: broadcast message to all ws
* Supernode to Users:
- broadcast: Sends msg to all ws
- groupcast: Sends msg to ws of affilated group
- unicast: Sends msg to respective ws
*User to Supernode:
- forward: Forwards msg from user to supernode ws
- Added migration feature when nodes are added or removed.
- Updated stdop
- Optimisation done for floSupernode module.
- Converted reactor events to respective functions for optimisation.
- fixed minor bugs.
