8164481: Remove jtreg run configurations from langtools idea project
Summary: Update langtools intellij project and related ant build files.
Reviewed-by: jlahoda

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

8073645: Add lambda-based lazy eval versions of Assert.check methods
Summary: Enhance Assert so that lazy string computation can occurr where needed; enhance static roding rule checkers to make sure the right version of the method is called.
Reviewed-by: jlahoda

8058542: Devise scheme for better diagnostic creation
Summary: Add support for generating (at build-time) an enum-like class containing all javac diagnostics, which allows for safe diagnostic creation.
Reviewed-by: jlahoda, jjg, vromero, erikj, jfranck

8067006: Tweak IntelliJ langtools project to show jtreg report directory
Summary: Jtreg test output directory should be allowed to flow into IntelliJ's output
Reviewed-by: jlahoda

8064367: Fix IntelliJ langtools support to use new dev build
Summary: Update ant hooks in langtools IntelliJ project
Reviewed-by: jlahoda

8049234: Add support for running/debugging bootstrap tools in IntelliJ
Summary: Add support for bootstrap tools; overhaul ant logger
Reviewed-by: vromero

8046451: Add basic IntelliJ support for langtools
Summary: Add new ant target 'idea' to create IntelliJ langtools project
Reviewed-by: jjg