hg: jigsaw/jake/hotspot: Improve ModuleEntry::can_read to check for java.base, various code review clean ups.

[lois.foltan at oracle.com]

Changeset: 5bae10023cbc
Author:    lfoltan
Date:      2016-02-18 12:37 -0500
URL:       http://hg.openjdk.java.net/jigsaw/jake/hotspot/rev/5bae10023cbc

Improve ModuleEntry::can_read to check for java.base, various code review clean ups.

! src/share/vm/classfile/moduleEntry.cpp
! src/share/vm/classfile/packageEntry.cpp
+ test/runtime/modules/AccessCheckJavaBase.java
! test/runtime/modules/AccessCheckSuper.java
! test/runtime/modules/p1/c1.java
! test/runtime/modules/p2/c2.java
+ test/runtime/modules/p3/c3.java