add build and publish script

build_and_publish.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+function assert_success() {
+    "${@}"
+    local status=${?}
+    if [ ${status} -ne 0 ]; then
+        echo "### Error ${status} at: ${BASH_LINENO[*]} ###"
+        exit ${status}
+    fi
+}
+
+function build_and_publish() {
+  export RELEASE_MODE=true
+  project="$1"
+
+  assert_success ./gradlew clean "$project:clean" "$project:build" "$project:publishToMavenLocal" "$project:bintrayUpload"
+}
+
+pids=()
+
+while [ -n "$1" ]
+do
+  build_and_publish "$1" &
+  pids[${#pids[*]}]=$!
+  shift
+done
+
+for item in ${pids[*]}
+do
+  wait "$item"
+done