Remove the old, native binding, way of calling editors

src/alien/shell/ShellEditor.java

-package alien.shell;
-
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-
-import utils.SystemProcess;
-import alien.test.utils.Functions;
-
-/**
- * @author ron
- * @since October 11, 2011
- */
-public class ShellEditor {
-
-	private static Map<String, String> availableEditors = null;
-
-	private static String editor = null;
-
-	private static Map<String, String> getAvailableEditors() {
-		if (availableEditors != null)
-			return availableEditors;
-
-		final Map<String, String> temp = new HashMap<>();
-
-		// in the order of preference, which is the first found will be used by
-		// default
-		for (final String ed : Arrays.asList("vim", "vi", "emacs", "mcedit", "joe", "pico")) {
-			final String path = Functions.which(ed);
-
-			if (path != null) {
-				temp.put(ed, path);
-
-				if (editor == null)
-					editor = path;
-			}
-		}
-
-		availableEditors = Collections.unmodifiableMap(temp);
-
-		return availableEditors;
-	}
-
-	/**
-	 * location of the a user set editor binary
-	 */
-	private static String userSetEditor = null;
-
-	/**
-	 * Set custom editor
-	 * 
-	 * @param editorPath
-	 * @return previously set editor
-	 */
-	public static String setUserEditor(final String editorPath) {
-		final String old = userSetEditor;
-
-		userSetEditor = editorPath;
-
-		return old;
-	}
-
-	/**
-	 * @param localFile
-	 * @return <code>true</code> if the file was successfully edited (command was called, but we are not sure if the file was actually changed or not)
-	 */
-	protected static boolean editFile(final String localFile) {
-		getAvailableEditors();
-
-		if (editor == null)
-			// no editor available
-			return false;
-
-		if (System.console() == null)
-			// cannot edit without an interactive console
-			return false;
-
-		final String command = editor + " " + localFile;
-
-		final SystemProcess sp = new SystemProcess(command);
-
-		final int exitStatus = sp.execute();
-
-		return exitStatus == 0;
-	}
-}