* Add send and sign commands to protobuf
* Added Send and Sign stubs in kaspawalletd server
* Implement Sign
* Implemented Send
* Allow Broadcast command to supply multiple transactions
* No longer prompt for password in DecryptMnemonics
* Rename TransactionIDs -> TxIDs to keep consistency with Broadcast
* Add some comments and formatting
Co-authored-by: Ori Newman <orinewman1@gmail.com>
