8177530: Module system implementation refresh (4/2017)
Reviewed-by: jjg
Contributed-by: alan.bateman@oracle.com, jan.lahoda@oracle.com

8170953: CheckResourceKeys tests should declare the resource package to be open
Reviewed-by: mchung

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

8010511: Tests are creating files in /tmp
Reviewed-by: darcy

7021614: extend com.sun.source API to support parsing javadoc comments
Reviewed-by: ksrini, strarup

7191449: update copyright year to match last edit in jdk8 langtools repository
Reviewed-by: jjh
Contributed-by: steve.sides@oracle.com

7131308: Three regression tests fail due to bad fix for 7127924
Reviewed-by: jjg

7127924: langtools regression tests sometimes fail en-masse on windows
Reviewed-by: jjg

6993978: Project Coin: Compiler support of annotation to reduce varargs warnings
Reviewed-by: jjg, darcy

6990379: two examples fail under CheckExamples on Windows
Reviewed-by: darcy

6968063: provide examples of code that generate diagnostics
Reviewed-by: mcimadamore