Update Java README to indicate Java SDK 1.8 is required
Update Java README to indicate Java SDK 1.8 is required

wanghaisheng/clinical_quality_language-Research,wanghaisheng/clinical_quality_language-Research,cqframework/clinical_quality_language,MeasureAuthoringTool/clinical_quality_language,MeasureAuthoringTool/clinical_quality_language,MeasureAuthoringTool/clinical_quality_language,cqframework/clinical_quality_language,MeasureAuthoringTool/clinical_quality_language,wanghaisheng/clinical_quality_language-Research