8162359: javac should use stdout for --help and --version
Reviewed-by: vromero

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

8145342: Some copyright notices are inconsistently and ill formatted
Summary: Adjusted formatting of copyright notices.
Reviewed-by: darcy, alundblad

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

8006972: jtreg test fails: test/tools/javac/processing/model/element/TestMissingElement/TestMissingElement.java
Reviewed-by: darcy

8006775: JSR 308: Compiler changes in JDK8
Reviewed-by: jjg
Contributed-by: mernst@cs.washington.edu, wmdietl@cs.washington.edu, mpapi@csail.mit.edu, mahmood@notnoop.com

8005282: Use @library tag with non-relative path for javac tests
Reviewed-by: jjg

7025809: Provided new utility visitors supporting SourceVersion.RELEASE_8
Reviewed-by: jjg, mcimadamore

7026414: Types.asElement() returns null for ErrorType
Reviewed-by: darcy

6639645: Modeling type implementing missing interfaces
Reviewed-by: darcy, mcimadamore