8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder
Reviewed-by: coleenp, gtriantafill, mseledtsov, iignatyev, dholmes, dsamersoff

8160088: update hotspot tests depending on GC to use @requires vm.gc.X
Reviewed-by: iignatyev, mchernov, dholmes

8154457: runtime/SharedArchiveFile/SharedStrings Shared string table stats missing
Summary: Added more information when print out message reporting disabling the shared strings at CDS dump time.
Reviewed-by: lfoltan, hseigel, mseledtsov, gtriantafill

Merge

8153300: [TESTBUG] Enhance test/testlibrary/ClassFileInstaller.java to support JAR files
Reviewed-by: lfoltan, mseledtsov

8153737: Unsupported Module
Reviewed-by: alanb, mchung, psandoz

8142968: Module System implementation
Summary: Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282
Reviewed-by: acorn, ccheung, coleenp, ctornqvi, dholmes, dsimms, gtriantafill, iklam, jiangli, mgronlun, mseledtsov, cjplummer, sspitsyn, stefank, twisti, hseigel, lfoltan, alanb, mchung, dfazunen
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, harold.seigel@oracle.com, lois.foltan@oracle.com, calvin.cheung@oracle.com, christian.tornqvist@oracle.com, erik.joelsson@oracle.com, george.triantafillou@oracle.com, igor.ignatyev@oracle.com, ioi.lam@oracle.com, james.laskey@oracle.com, jean-francois.denise@oracle.com, jiangli.zhou@oracle.com, markus.gronlund@oracle.com, serguei.spitsyn@oracle.com, staffan.larsen@oracle.com, sundararajan.athijegannathan@oracle.com

8140189: [TESTBUG] Get rid of "@library /../../test/lib" in jtreg tests
Summary: Use new external.lib.roots property in TEST.ROOT so /../../test/lib is not needed.
Reviewed-by: mseledtsov, sla, iklam

8133180: [TESTBUG] runtime/SharedArchiveFile/SharedStrings.java failed with WhiteBox.class : no such file or directory
Summary: Removed ambiguity on where JarBuilder looks for classes
Reviewed-by: jiangli, ctornqvi, gtriantafill

8133222: [TESTBUG] Quarantine runtime/SharedArchiveFile/SharedStrings.java until the fix
Summary: Quarantined using at-ingore tag
Reviewed-by: dcubed

8132214: [TESTBUG] Create basic shared strings test for CDS archive
Summary: Created new test
Reviewed-by: jiangli, ctornqvi