cherry-picking latest enhancements from susi_server into build.gradle
cherry-picking latest enhancements from susi_server into build.gradle

loklak/loklak_server,loklak/loklak_server,loklak/loklak_server,loklak/loklak_server,loklak/loklak_server,loklak/loklak_server,loklak/loklak_server