8177530: Module system implementation refresh (4/2017)Reviewed-by: mchung, alanbContributed-by: alan.bateman@oracle.com, mandy.chung@oracle.com
8136930: Simplify use of module-system options by custom launchersReviewed-by: alanb, ksrini, henryjen, sundar
8157068: ExceptionInInitializerError if images build patched to use exploded version of jdk.internal.module.SystemModulesReviewed-by: alanb