add support for package: to the editor

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/preferences/PreferencesMessages.properties

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/preferences/PreferencesMessages.properties
===================================================================
--- editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/preferences/PreferencesMessages.properties	(revision 7713)
+++ editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/preferences/PreferencesMessages.properties	(working copy)
@@ -1,17 +1,8 @@
-###############################################################################
-# Copyright (c) 2000, 2010 IBM Corporation and others.
-# All rights reserved. This program and the accompanying materials
-# are made available under the terms of the Eclipse Public License v1.0
-# which accompanies this distribution, and is available at
-# http://www.eclipse.org/legal/epl-v10.html
-#
-# Contributors:
-#     IBM Corporation - initial API and implementation
-#     John Kaplan, johnkaplantech@gmail.com - 108071 [code templates] template for body of newly created class
-#     Sebastian Davids, sdavids@gmx.de - 187316 [preferences] Mark Occurences Pref Page; Link to
-###############################################################################
+#########################################
+# Copyright (c) 2012, the Dart project authors
+# All Rights Reserved.
+#########################################
 
-
 BuildPathsPropertyPage_error_message=An error occurred while setting the include path
 BuildPathsPropertyPage_error_title=Error Setting Include Path
 BuildPathsPropertyPage_job_title=Setting include path
@@ -76,6 +67,7 @@
 ImportOrganizeInputDialog_name_group_static_label=Enter a prefix (e.g. 'org.eclipse') or '*' to match all imports:
 DartBasePreferencePage_auto_download_label=Automatically download updates
 DartBasePreferencePage_auto_download_tooltip=Toggle automatic download of updates
+DartBasePreferencePage_Browse=Browse...
 DartBasePreferencePage_description=General settings for Dart development:
 
 DartBasePreferencePage_doubleclick_action=Action on double click in the Project Explorer
@@ -250,6 +242,7 @@
 DartBasePreferencePage_dialogs=Dart dialogs
 DartBasePreferencePage_header_text=Looks like you want to tweak something... but we're not quite there yet!
 DartBasePreferencePage_description_text=Please click \"Send Feedback\" and tell us what you're thinking.
+DartBasePreferencePage_Package_Title=Package directory
 DartBasePreferencePage_update_group_label=Update
 
 DartEditorPreferencePage_quickassist_lightbulb=L&ight bulb for quick assists