Release Candidate - FIO Contracts v2.2.0-rc1

This is a release candidate, do not use in production.

Enhancements and Updates

(#11) [FIP-7] Add ability to burn FIO Addresses

(#12) [FIP-9] Make fio_address optional in voteproducer and voteproxy

(#3) [FIP-10] Redesign Block Producer Fee-setting code

(#34) Add transaction information to memo field for fio_fees

Bug Fixes

(#32) fio.treasury treasurystate abi incorrect

(#53) Force lowercase searching of get_pub_address params