8176327: javac produces wrong module-info
8178518: Add method JavaFileManager.contains
Reviewed-by: jlahoda

8175560: Drop String pkgName from javax.tools.JavaFileManager.getLocationForModule(Location location, JavaFileObject fo, String pkgName)
Reviewed-by: jjg

8163190: Clarify JavaFileManager use of \"module location\"
Reviewed-by: jlahoda

8136930: Simplify use of module-system options by custom launchers
8160489: Multiple -Xpatch lines ignored by javac
8156998: javac should support new option -XinheritRuntimeEnvironment
Reviewed-by: jlahoda, ksrini

8142968: Module System implementation
Summary: Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282
Reviewed-by: jjg, jlahoda, vromero, mcimadamore, bpatel, ksrini, darcy, anazarov, dfuchs
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, jan.lahoda@oracle.com, vicente.romero@oracle.com, andreas.lundblad@oracle.com, andrey.x.nazarov@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, kumar.x.srinivasan@oracle.com, sundararajan.athijegannathan@oracle.com

8076543: Add @modules as needed to the langtools tests
Reviewed-by: jjg, shurailine

8062348: langtools tests should close file manager (group 1)
Reviewed-by: darcy

7044486: open jdk repos have files with incorrect copyright headers, which can end up in src bundles
Reviewed-by: ohair, trims

6437138: JSR 199: Compiler doesn't diagnose crash in user code
6482554: uncaught exception from annotation processor not reported through JavaCompiler.CompilationTask.call
Reviewed-by: mcimadamore