Create an unlocking transaction command

[shuse2]

Description

• Update of unlock transaction creation command is required.
• transaction:create -t 14 or transaction:create:unlock should take
  --unlock=”address,amount,unvoteHeight” --unlock=”address,amount,unvoteHeight” format
  transaction:create -t 14 fee nonce --unlock=”123L,100000,500”
transaction:create -t 14 fee nonce --unlock=”123L,100000,500” --unlock=”456L,100000,500”

Motivation

With the new DPoS system, create unlock transaction command needs to be created.

Acceptance Criteria

• Update description and examples
• Test both transaction:create -t 11 and transaction:create:vote cases
• Test case when vote is not casted

Related issues

#4915