version bump to 0.12.0

DOCKER/version.sh

 # json break
-echo "ecm version 0.11.0"
+echo "ecm version 0.12.0"

version/version.go

+// Copyright 2015, 2016 Eris Industries (UK) Ltd.
+// This file is part of Eris-RT
+
+// Eris-RT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Eris-RT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Eris-RT.  If not, see <http://www.gnu.org/licenses/>.
+
 package version
 
-const Version = "0.11.4"
+const VERSION = "0.12.0"
+const TENDERMINT_VERSION = "0.5.0"