hg: code-tools/sigtest: CODETOOLS-7901104 (NPE in merge fixed) + some refactoring and copyrights

[mikhail.ershov at oracle.com]

Changeset: e39df6aae4eb
Author:    ersh
Date:      2015-02-04 22:42 +0300
URL:       http://hg.openjdk.java.net/code-tools/sigtest/rev/e39df6aae4eb

CODETOOLS-7901104 (NPE in merge fixed) + some refactoring and copyrights

! src/classes/com/sun/tdk/signaturetest/classpath/ClasspathEntry.java
! src/classes/com/sun/tdk/signaturetest/classpath/ClasspathImpl.java
! src/classes/com/sun/tdk/signaturetest/classpath/DirectoryEntry.java
! src/classes/com/sun/tdk/signaturetest/classpath/JarFileEntry.java
! src/classes/com/sun/tdk/signaturetest/core/ClassHierarchyImpl.java