Merge branch 'stable-4.7' into stable-4.8

* stable-4.7:
  SubmoduleValidator: Remove unused import of ConfigConstants

Change-Id: I6a7d19602d6d9099928ee52de727743b9717f262
Signed-off-by: Jonathan Nieder <jrn@google.com>

org.eclipse.jgit/src/org/eclipse/jgit/internal/submodule/SubmoduleValidator.java

@@ -52,7 +52,6 @@ import java.text.MessageFormat;
 import org.eclipse.jgit.errors.ConfigInvalidException;
 import org.eclipse.jgit.internal.JGitText;
 import org.eclipse.jgit.lib.Config;
-import org.eclipse.jgit.lib.ConfigConstants;
 
 /**
  * Validations for the git submodule fields (name, path, uri).