fix for [HER-1729] add (deprecated) style code from Engine class to Flash class

* Heritrix.java
  added CLAP protocol to access representations via classloader
* EngineApplication.java
  added staticDir resource to serve static files under "/engine/static"
  also added org.archive.crawler.restlet package to hold static files
* EngineResource.java
  added <link> to static CSS resource
* Engine.css
  style for flashACK/NACK/ADVISORY divs

engine/src/main/java/org/archive/crawler/Heritrix.java

@@ -327,6 +327,7 @@ public class Heritrix {
                 }
             }
             component.getClients().add(Protocol.FILE);
+            component.getClients().add(Protocol.CLAP); 
             Guard guard = new RateLimitGuard(null,
                     ChallengeScheme.HTTP_DIGEST, "Authentication Required");
             guard.getSecrets().put(authLogin, authPassword.toCharArray());

engine/src/main/java/org/archive/crawler/restlet/EngineApplication.java

@@ -111,6 +111,11 @@ public class EngineApplication extends Application {
         router.attach("/engine/job/{job}/beans/{beanPath}",BeanBrowseResource.class);
         router.attach("/engine/job/{job}/script",ScriptResource.class);
 
+        // static files (won't serve directory, but will serve files in it)
+        String resource = "clap://class/org/archive/crawler/restlet";
+        Directory staticDir = new Directory(getContext(),resource); 
+        router.attach("/engine/static/",staticDir);
+
         return router;
     }
 

engine/src/main/java/org/archive/crawler/restlet/EngineResource.java

@@ -219,6 +219,7 @@ public class EngineResource extends BaseResource {
         PrintWriter pw = new PrintWriter(writer); 
         pw.println("<head><title>"+engineTitle+"</title>");
         pw.println("<base href='"+baseRef+"'/>");
+        pw.println("<link rel=\"stylesheet\" type=\"text/css\" href=\"static/Engine.css\"");
         pw.println("</head><body>");
         pw.println("<h1>"+engineTitle+"</h1>");