public GrinderProperties getGrinderProperties(PerfTest perfTest) {
		return getGrinderProperties(perfTest, new NullScriptHandler());
	}
Create {@link GrinderProperties} based on the passed {@link PerfTest}.

@param perfTest base data
@return created {@link GrinderProperties} instance
ngrinder-controller/src/main/java/org/ngrinder/perftest/service/PerfTestService.java