bring back indefinite timeout in travis script
bring back indefinite timeout in travis script

see https://github.com/mpollmeier/orientdb-gremlin/commit/b6827d283753ae53e255c68175e7206a5570b45c#commitcomment-16087214

orientechnologies/orientdb-gremlin,mpollmeier/orientdb-gremlin,orientechnologies/orientdb-gremlin