In addition to those boards and commissions heretofore created by ordinance or this charter, council shall have the power and authority to create boards and commissions, including advisory and appeal boards. All permanent boards and commissions, including advisory and appeal boards, shall be created by ordinance, which shall set forth the number of members, and the powers and duties delegated to such boards and commissions. Members shall be residents and electors of the town. Initial appointments by the council to any board or commission shall specify the term of office of its members in order to achieve overlapping tenure. All members shall be subject to removal by the council. Each board and commission shall elect its own chairman and vice-chairman from among its members. Each board and commission shall operate in accordance with its own rules of procedure and its meetings shall be open to the public. Any board or commission created under this article which is not required by statute or this charter may be abolished by the council.