fix log path and java warnings

src/main/java/com/commafeed/backend/dao/GenericDAO.java

@@ -13,6 +13,8 @@ import com.google.common.reflect.TypeToken;
 import com.uaihebert.factory.EasyCriteriaFactory;
 import com.uaihebert.model.EasyCriteria;
 
+
+@SuppressWarnings("serial")
 public abstract class GenericDAO<T, K> {
 
 	private TypeToken<T> type = new TypeToken<T>(getClass()) {

src/main/java/com/commafeed/frontend/CommaFeedSession.java

@@ -11,6 +11,7 @@ import com.commafeed.backend.dao.UserService;
 import com.commafeed.frontend.components.auth.Role;
 import com.commafeed.model.User;
 
+@SuppressWarnings("serial")
 public class CommaFeedSession extends AuthenticatedWebSession {
 
 	@Inject

src/main/java/com/commafeed/frontend/components/CssTreeView.java

@@ -16,6 +16,7 @@ import org.apache.wicket.model.IModel;
 
 import com.commafeed.frontend.references.csstree.CssTreeViewReference;
 
+@SuppressWarnings("serial")
 public abstract class CssTreeView<T, V> extends Panel {
 
 	private ITreeProvider<T, V> provider;

src/main/java/com/commafeed/frontend/pages/BasePage.java

@@ -9,6 +9,7 @@ import com.commafeed.frontend.components.auth.Role;
 import de.agilecoders.wicket.Bootstrap;
 
 @AuthorizeInstantiation(Role.USER)
+@SuppressWarnings("serial")
 public abstract class BasePage extends WebPage {
 
 	@Override

src/main/java/com/commafeed/frontend/pages/feed/FeedViewPage.java

@@ -25,6 +25,7 @@ import com.google.common.base.Predicate;
 import com.google.common.collect.Collections2;
 import com.google.common.collect.Lists;
 
+@SuppressWarnings("serial")
 public class FeedViewPage extends BasePage {
 
 	@Inject

src/main/java/com/commafeed/frontend/pages/home/HomePage.java

@@ -2,6 +2,7 @@ package com.commafeed.frontend.pages.home;
 
 import com.commafeed.frontend.pages.BasePage;
 
+@SuppressWarnings("serial")
 public class HomePage extends BasePage {
 
 }

src/main/java/com/commafeed/frontend/references/csstree/CssTreeViewReference.java

@@ -8,6 +8,7 @@ import org.apache.wicket.request.resource.CssResourceReference;
  * http://experiments.wemakesites.net/css3-treeview.html
  * 
  */
+@SuppressWarnings("serial")
 public class CssTreeViewReference extends CssResourceReference {
 	private static CssTreeViewReference instance = new CssTreeViewReference();
 

src/main/java/com/commafeed/model/Feed.java

@@ -17,6 +17,7 @@ import com.google.common.collect.Sets;
 
 @Entity
 @Table(name = "FEEDS")
+@SuppressWarnings("serial")
 public class Feed implements Serializable {
 
 	@Id

src/main/java/com/commafeed/model/FeedCategory.java

@@ -17,6 +17,7 @@ import com.google.common.collect.Sets;
 
 @Entity
 @Table(name = "FEEDCATEGORIES")
+@SuppressWarnings("serial")
 public class FeedCategory implements Serializable {
 
 	@Id

src/main/java/com/commafeed/model/FeedEntry.java

@@ -14,6 +14,7 @@ import javax.persistence.TemporalType;
 
 @Entity
 @Table(name = "FEEDENTRIES")
+@SuppressWarnings("serial")
 public class FeedEntry implements Serializable {
 
 	@Id

src/main/java/com/commafeed/model/FeedEntryStatus.java

@@ -12,6 +12,7 @@ import javax.persistence.Table;
 
 @Entity
 @Table(name = "FEEDENTRYSTATUSES")
+@SuppressWarnings("serial")
 public class FeedEntryStatus implements Serializable {
 
 	@Id

src/main/java/com/commafeed/model/FeedSubscription.java

@@ -12,6 +12,7 @@ import javax.persistence.Table;
 
 @Entity
 @Table(name = "FEEDSUBSCRIPTIONS")
+@SuppressWarnings("serial")
 public class FeedSubscription implements Serializable {
 
 	@Id

src/main/java/com/commafeed/model/User.java

@@ -11,6 +11,7 @@ import javax.persistence.Table;
 
 @Entity
 @Table(name = "USERS")
+@SuppressWarnings("serial")
 public class User implements Serializable {
 
 	@Id