Code cleanup.

com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/EventListeners.java

diff --git a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/swt/EventListeners.java b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/EventListeners.java
similarity index 96%
rename from com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/swt/EventListeners.java
rename to com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/EventListeners.java
index af3b629..89a7634 100644
--- a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/swt/EventListeners.java
+++ b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/EventListeners.java
@@ -6,7 +6,7 @@
  *
  * http://www.eclipse.org/legal/epl-v10.html
  */
-package com.google.eclipse.protobuf.ui.swt;
+package com.google.eclipse.protobuf.ui.preferences;
 
 import java.util.Collection;
 

com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/compiler/CompilerPreferencePage.java

diff --git a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/compiler/CompilerPreferencePage.java b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/compiler/CompilerPreferencePage.java
index 797f57c..9b18254 100644
--- a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/compiler/CompilerPreferencePage.java
+++ b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/compiler/CompilerPreferencePage.java
@@ -8,12 +8,12 @@
  */
 package com.google.eclipse.protobuf.ui.preferences.pages.compiler;
 
+import static com.google.eclipse.protobuf.ui.preferences.EventListeners.addSelectionListener;
 import static com.google.eclipse.protobuf.ui.preferences.binding.BindingToButtonSelection.bindSelectionOf;
 import static com.google.eclipse.protobuf.ui.preferences.binding.BindingToTextValue.bindTextOf;
 import static com.google.eclipse.protobuf.ui.preferences.pages.compiler.BindingToCodeGeneration.bindCodeGeneration;
 import static com.google.eclipse.protobuf.ui.preferences.pages.compiler.EnableProjectSettingsPreference.enableProjectSettings;
 import static com.google.eclipse.protobuf.ui.preferences.pages.compiler.Messages.*;
-import static com.google.eclipse.protobuf.ui.swt.EventListeners.addSelectionListener;
 import static java.util.Arrays.asList;
 import static org.eclipse.xtext.util.Strings.isEmpty;
 

com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/paths/PathsPreferencePage.java

diff --git a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/paths/PathsPreferencePage.java b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/paths/PathsPreferencePage.java
index 30b919f..4228a67 100644
--- a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/paths/PathsPreferencePage.java
+++ b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/pages/paths/PathsPreferencePage.java
@@ -8,9 +8,9 @@
  */
 package com.google.eclipse.protobuf.ui.preferences.pages.paths;
 
+import static com.google.eclipse.protobuf.ui.preferences.EventListeners.addSelectionListener;
 import static com.google.eclipse.protobuf.ui.preferences.binding.BindingToButtonSelection.bindSelectionOf;
 import static com.google.eclipse.protobuf.ui.preferences.pages.paths.Messages.*;
-import static com.google.eclipse.protobuf.ui.swt.EventListeners.addSelectionListener;
 import static java.util.Arrays.asList;
 import static java.util.Collections.unmodifiableList;
 import static org.eclipse.core.resources.IncrementalProjectBuilder.FULL_BUILD;