WEB-146 - fixed some code references to English, not reference en

src/main/java/org/owasp/webgoat/lessons/AbstractLesson.java

@@ -114,7 +114,7 @@ public abstract class AbstractLesson extends Screen implements Comparable<Object
 
     private LinkedList<String> availableLanguages = new LinkedList<String>();
 
-    private String defaultLanguage = "English";
+    private String defaultLanguage = "en";
 
     /**
      * Constructor for the Lesson object

src/main/java/org/owasp/webgoat/lessons/CommandInjection.java

@@ -123,7 +123,7 @@ public class CommandInjection extends LessonAdapter
                     illegalCommand = false;
                 }
             }
-            File safeDir = new File(s.getContext().getRealPath("/lesson_plans/English"));
+            File safeDir = new File(s.getContext().getRealPath("/lesson_plans/en"));
 
             ec.addElement(new StringElement(WebGoatI18N.get("YouAreCurrentlyViewing")+"<b>"
                     + (helpFile.toString().length() == 0 ? "&lt;"+WebGoatI18N.get("SelectFileFromListBelow")+"&gt;" : helpFile.toString())

src/main/java/org/owasp/webgoat/lessons/PathBasedAccessControl.java

@@ -67,7 +67,7 @@ public class PathBasedAccessControl extends LessonAdapter
 
         try
         {
-            String dir = s.getContext().getRealPath("/lesson_plans/English");
+            String dir = s.getContext().getRealPath("/lesson_plans/en");
             File d = new File(dir);
 
             Table t = new Table().setCellSpacing(0).setCellPadding(2).setWidth("90%").setAlign("center");