Bump consensus to v0.6.0 (cosmos#35)

go.mod

@@ -35,4 +35,4 @@ go 1.13
 
 replace github.com/keybase/go-keychain => github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4
 
-replace github.com/tendermint/tendermint => github.com/fetchai/cosmos-consensus v0.5.2
+replace github.com/tendermint/tendermint => github.com/fetchai/cosmos-consensus v0.6.0

go.sum

@@ -106,8 +106,8 @@ github.com/facebookgo/stack v0.0.0-20160209184415-751773369052/go.mod h1:UbMTZqL
 github.com/facebookgo/subset v0.0.0-20150612182917-8dac2c3c4870 h1:E2s37DuLxFhQDg5gKsWoLBOB0n+ZW8s599zru8FJ2/Y=
 github.com/facebookgo/subset v0.0.0-20150612182917-8dac2c3c4870/go.mod h1:5tD+neXqOorC30/tWg0LCSkrqj/AR6gu8yY8/fpw1q0=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fetchai/cosmos-consensus v0.5.2 h1:sc75OM69uTeb/O6eCRv+azv9+DuCWuRZAmEGNmvayi8=
-github.com/fetchai/cosmos-consensus v0.5.2/go.mod h1:iDSJXmKFKyNiZnvCwrGkecKkPo5aNJuZST9dR4NSp2U=
+github.com/fetchai/cosmos-consensus v0.6.0 h1:/mmC+oz5KLXiJsqXsPsqOwR4YIwnFoeUac/MyXLNUJk=
+github.com/fetchai/cosmos-consensus v0.6.0/go.mod h1:iDSJXmKFKyNiZnvCwrGkecKkPo5aNJuZST9dR4NSp2U=
 github.com/flynn/noise v0.0.0-20180327030543-2492fe189ae6 h1:u/UEqS66A5ckRmS4yNpjmVH56sVtS/RfclBAYocb4as=
 github.com/flynn/noise v0.0.0-20180327030543-2492fe189ae6/go.mod h1:1i71OnUq3iUe1ma7Lr6yG6/rjvM3emb6yoL7xLFzcVQ=
 github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=