hg: jigsaw/jake/langtools: fix/remove JRT_MARKER_FILE mechanism

[jonathan.gibbons at oracle.com]

Changeset: 7cfabbeaddaa
Author:    jjg
Date:      2016-01-29 12:56 -0800
URL:       http://hg.openjdk.java.net/jigsaw/jake/langtools/rev/7cfabbeaddaa

fix/remove JRT_MARKER_FILE mechanism

! src/jdk.compiler/share/classes/com/sun/tools/javac/file/JavacFileManager.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/file/Locations.java
! test/tools/javac/diags/CheckResourceKeys.java