8185853: Generate readability graph at link time and other startup improvements
Reviewed-by: mchung

8178726: Can't load classes from classpath if it is a UNC share
Reviewed-by: alanb, weijun, chegar

8177530: Module system implementation refresh (4/2017)
Reviewed-by: mchung, alanb
Contributed-by: alan.bateman@oracle.com, mandy.chung@oracle.com

8169909: java agent fails to add to class path when the initial module is a named module
Reviewed-by: alanb

6479237: (cl) Add support for classloader names
Reviewed-by: alanb, bchristi, coleenp, dfuchs, lfoltan, psandoz, sspitsyn

8168205: Should not default class path to CWD if -cp is not specified but -m is specified
Reviewed-by: alanb

8157716: jdk.internal.loader.ClassLoaders.addURLToUCP() should return converted real path URL.
Summary: Rename jdk.internal.loader.ClassLoaders.addURLToUCP() to toFileURL(), which returns the converted URL.
Reviewed-by: martin, mchung
Contributed-by: alan.bateman@oracle.com

8156989: Trailing empty element in classpath ignored
Reviewed-by: mchung

8149122: Move sun.misc.URLClassPath and Resouce to an internal package
Reviewed-by: alanb, rriggs

8142968: Module System implementation
Summary: Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282
Reviewed-by: alanb, mchung, naoto, rriggs, psandoz, plevart, mullan, ascarpino, vinnie, prr, sherman, dfuchs, mhaupt
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, chris.hegarty@oracle.com, alexandr.scherbatiy@oracle.com, amy.lu@oracle.com, calvin.cheung@oracle.com, daniel.fuchs@oracle.com, erik.joelsson@oracle.com, harold.seigel@oracle.com, jaroslav.bachorik@oracle.com, jean-francois.denise@oracle.com, jan.lahoda@oracle.com, james.laskey@oracle.com, lois.foltan@oracle.com, miroslav.kos@oracle.com, huaming.li@oracle.com, sean.mullan@oracle.com, naoto.sato@oracle.com, masayoshi.okutsu@oracle.com, peter.levart@gmail.com, philip.race@oracle.com, claes.redestad@oracle.com, sergey.bylokhov@oracle.com, alexandre.iline@oracle.com, volker.simonis@gmail.com, staffan.larsen@oracle.com, stuart.marks@oracle.com, semyon.sadetsky@oracle.com, serguei.spitsyn@oracle.com, sundararajan.athijegannathan@oracle.com, valerie.peng@oracle.com, vincent.x.ryan@oracle.com, weijun.wang@oracle.com, yuri.nesterenko@oracle.com, yekaterina.kantserova@oracle.com, alexander.kulyakhtin@oracle.com, felix.yang@oracle.com, andrei.eremeev@oracle.com, frank.yuan@oracle.com, sergei.pikalev@oracle.com, sibabrata.sahoo@oracle.com, tiantian.du@oracle.com, sha.jiang@oracle.com