Added an option to build the project in parallel

with this change we've added some scripts to run the build in parallel. It makes the build ~ 2 times faster

fixes #190

scripts/parallelBuild.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+source common.sh || source scripts/common.sh || echo "No common.sh script found..."
+
+set -e
+
+[[ -z "${CORES}" ]] && CORES=8
+echo -e "\n\nRUNNING PARALLEL BUILD WITH [${CORES}] CORES\n\n"
+
+./mvnw clean install -Pintegration,docs -T ${CORES} -Dinvoker.parallelThreads=${CORES}