
Vote on a comment to be paid HIVE

Parameters:
    voter: The account voting (type: const string &)
    author: The author of the comment to be voted on (type: const string &)
    permlink: The permlink of the comment to be voted on. (author,
	permlink) is a unique pair (type: const string &)
    weight: The weight [-100,100] of the vote (type: int16_t)
    broadcast: true if you wish to broadcast the transaction (type: bool)
