Merge pull request cosmos#1240 from cosmos/bucky/gaia-6002

gaia 6002

Merge pull request cosmos#1188 from cosmos/release/v0.20.0

Release/v0.18.0

version and changelog

v0.18.-rc0

Merge pull request cosmos#1147 from cosmos/release/v0.17.5

update for tm v0.19.9

Merge pull request cosmos#1096 from cosmos/release/v0.17.4

update tm to 0.17.4

update tm to 0.17.4

Merge pull request cosmos#1057 from cosmos/release/v0.17.3

update to tm v0.19.6

update tendermint

Merge pull request cosmos#1030 from cosmos/bucky/tm-0.19.5

Bucky/tm 0.19.5