Fix IAVL transitive dependency to make Burrow easier to depend on.

Signed-off-by: Silas Davis <silas@monax.io>

Gopkg.lock

@@ -480,6 +480,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "a684012f3c0a87d734862677fb39258daded36e6499720b99fb6fa95f483052e"
+  inputs-digest = "305882cc35ee7345aa49517218d941e2892c5d418426973b9f9f73d9b8149330"
   solver-name = "gps-cdcl"
   solver-version = 1

Gopkg.toml

+required = ["github.com/tendermint/iavl"]
+
 [prune]
   go-tests = true
   unused-packages = true
   non-go = true
 
+[[constraint]]
+  name = "github.com/tendermint/iavl"
+  version = "~0.2.0"
+
 [[constraint]]
   name = "github.com/BurntSushi/toml"
   version = "0.3.0"
@@ -39,10 +45,6 @@
   name = "github.com/jawher/mow.cli"
   version = "1.0.3"
 
-[[constraint]]
-  branch = "master"
-  name = "github.com/monax/keys"
-
 [[constraint]]
   name = "github.com/spf13/cobra"
   version = "0.0.1"

scripts/deps/bos.sh

 #!/usr/bin/env bash
 
 # The git revision of Bosmarmot/bos we will build and install into ./bin/ for integration tests
-echo "d12b45c733a02c0c6dd70fc7e0563e5e3ef4a68c"
+echo "9da71e7278d340ecfdf47e72eb9e9e2bba8d3e7a"
\ No newline at end of file