create an error type for when the server kills the render (before it was part of NOOUTPUTFILE)

src/com/sheepit/client/Job.java

@@ -63,6 +63,7 @@ public class Job {
 	private RenderProcess render;
 	private boolean askForRendererKill;
 	private boolean userBlockJob;
+	private boolean serverBlockJob;
 	private Gui gui;
 	private Configuration config;
 	private Log log;
@@ -86,6 +87,7 @@ public class Job {
 		updateRenderingStatusMethod = update_method_;
 		askForRendererKill = false;
 		userBlockJob = false;
+		serverBlockJob = false;
 		log = log_;
 		render = new RenderProcess();
 	}
@@ -146,6 +148,14 @@ public class Job {
 		return userBlockJob;
 	}
 	
+	public void setServerBlockJob(boolean val) {
+		serverBlockJob = val;
+	}
+	
+	public boolean getServerBlockJob() {
+		return serverBlockJob;
+	}
+	
 	public String getRenderCommand() {
 		return rendererCommand;
 	}
@@ -346,6 +356,9 @@ public class Job {
 			if (files.length != 0) {
 				new File(files[0].getAbsolutePath()).delete();
 			}
+			if (getServerBlockJob()) {
+				return Error.Type.RENDERER_KILLED_BY_SERVER;
+			}
 			if (getUserBlockJob()) {
 				return Error.Type.RENDERER_KILLED_BY_USER;
 			}