* Saving raw inputs in the ledger.
* Store full history in separate folder.
* Moved full history fb structs to a seperate fbs file
* Removed raw_inputs from the proposal
* Fixed code comments
* Saving raw user input string
* Code refactoring
* Resolved PR comments
* Forward others' messages only to the weakly connected nodes instead of broadcasting to all the connected peers.
* Announcing connected status depends on a threshold to other connected peers.
* Forwarding messages of weakly connected peers to other peers.