revert struct opcode generation optimization (ontio#953)

fix raw header payload (ontio#920)

fix raw header payload (ontio#920)

fix vbft consensus block sign number (ontio#841)

* fix vbft consensus block sign number

* optimize signnumr,count sigs in commit msg

* del unused code in commit consensus

do not skip submit block msg sent from larger height node (ontio#874)

add with draw constraint (ontio#855)

fix fee split bug (ontio#849)

* fix fee split bug

* remove withdraw 0 contrain

remove approve value 0 (ontio#843)

optimize consensus code,modify return type when no error msg (ontio#821)

fix some governance bugs (ontio#836)

* fix some overflow bugs

* add change view block num constraint

* fix if consensus bug

* add more constrain

* fix comment