added constrait check on vote message size
added constrait check on vote message size

bitshares/bitshares-0.x,bitshares/bitshares-0.x,FollowMyVote/bitshares,jakeporter/Bitshares,dacsunlimited/dac_play,RemitaBit/Remitabit,frrp/bitshares,dacsunlimited/dac_play,bitsuperlab/cpp-play,jakeporter/Bitshares,denkhaus/bitsharesx,Ziftr/bitshares,Ziftr/bitshares,bitshares/devshares,FollowMyVote/bitshares,bitshares/bitshares,camponez/bitshares,jakeporter/Bitshares,camponez/bitshares,FollowMyVote/bitshares,RemitaBit/Remitabit,RemitaBit/Remitabit,bitshares/bitshares,drltc/keyid,RemitaBit/Remitabit,denkhaus/bitsharesx,camponez/bitshares,camponez/bitshares,drltc/keyid,bitshares/bitshares-0.x,dacsunlimited/dac_play,FollowMyVote/bitshares,bitsuperlab/cpp-play,dacsunlimited/dac_play,frrp/bitshares,bitsuperlab/cpp-play,camponez/bitshares,jakeporter/Bitshares,bitshares/bitshares,bitshares/bitshares-0.x,bitshares/devshares,dacsunlimited/dac_play,bitshares/bitshares-0.x,FollowMyVote/bitshares,frrp/bitshares,Ziftr/bitshares,camponez/bitshares,frrp/bitshares,bitshares/bitshares,FollowMyVote/bitshares,frrp/bitshares,frrp/bitshares,bitshares/devshares,RemitaBit/Remitabit,bitshares/bitshares-0.x,bitsuperlab/cpp-play,Ziftr/bitshares,denkhaus/bitsharesx,bitsuperlab/cpp-play,drltc/keyid,jakeporter/Bitshares,denkhaus/bitsharesx,bitsuperlab/cpp-play,jakeporter/Bitshares,bitshares/devshares,bitshares/bitshares,bitshares/devshares,dacsunlimited/dac_play,bitshares/devshares,bitshares/bitshares,drltc/keyid,RemitaBit/Remitabit