Merge PR #1937: crypto/keys: Reduce bcrypt parameter in tests

Currently the crypto/keys tests take 2 minutes in circle CI.
A significant portion of this time is due to the bcrypt security
parameter. Changing it for these tests should reduce the time significantly.

crypto/keys/keybase_test.go

@@ -13,6 +13,10 @@ import (
 	dbm "github.com/tendermint/tendermint/libs/db"
 )
 
+func init() {
+	BcryptSecurityParameter = 1
+}
+
 // TestKeyManagement makes sure we can manipulate these keys well
 func TestKeyManagement(t *testing.T) {
 	// make the storage with reasonable defaults