add support for package: to the editor

editor/tools/plugins/com.google.dart.tools.ui/plugin.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <?eclipse version="3.4"?>
 <plugin>
 
    <extension-point id="dartElementFilters" name="%elementFiltersName" schema="schema/dartElementFilters.exsd"/>
    <extension-point id="dartEditorTextHovers" name="%javaEditorTextHoversName" schema="schema/dartEditorTextHovers.exsd"/>
    <extension-point id="dartDocCompletionProcessor" name="%javadocCompletionProcessor" schema="schema/dartDocCompletionProcessor.exsd"/>
    <extension-point id="quickFixProcessors" name="%quickFixProcessorExtensionPoint" schema="schema/quickFixProcessors.exsd"/>
    <extension-point id="quickAssistProcessors" name="%quickAssistProcessorExtensionPoint" schema="schema/quickAssistProcessors.exsd"/>
    <extension-point id="foldingStructureProviders" name="%foldingStructureProvidersExtensionPoint" schema="schema/foldingStructureProviders.exsd"/>
@@ skipping 683 matching lines @@
       </hyperlinkDetector>
    </extension>
 
    <extension
          point="org.eclipse.ui.preferencePages">
       <page
             name="%dartPrefName"
             class="com.google.dart.tools.ui.internal.preferences.DartBasePreferencePage"
             id="com.google.dart.tools.ui.preferences.DartBasePreferencePage">
       </page>
+      <page
+            class="com.google.dart.tools.ui.internal.preferences.FontPreferencePage"
+            id="com.google.dart.tools.ui.fontOptionsPage"
+            name="Font">
+      </page>
    </extension>
    
    <extension
          point="org.eclipse.ui.keywords">
       <keyword
             label="%preferenceKeywords.general"
             id="org.eclipse.wst.jsdt.ui.general"/>
       <keyword
             label="%preferenceKeywords.appearance"
             id="org.eclipse.wst.jsdt.ui.appearance"/>
@@ skipping 743 matching lines @@
             description="%Command.openFolder.description"
             id="com.google.dart.tools.ui.folder.open"
             name="%Command.openFolder.name">
       </command>
       <command
             categoryId="org.eclipse.ui.category.file"
             description="%Command.newFile.description"
             id="com.google.dart.tools.ui.file.new"
             name="%Command.newFile.name">
       </command>
-      <command
-            categoryId="org.eclipse.ui.category.file"
-            defaultHandler="com.google.dart.tools.ui.internal.handlers.NewApplicationHandler"
-            description="%Command.newApplication.description"
-            id="com.google.dart.tools.ui.application.new"
-            name="%Command.newApplication.name">
-      </command>
-      
 <!-- edit -->
       <command
             name="%ActionDefinition.selectEnclosing.name"
             description="%ActionDefinition.selectEnclosing.description"
             categoryId="org.eclipse.ui.category.edit"
             id="com.google.dart.tools.ui.edit.text.dart.select.enclosing">
       </command>
       <command
             name="%ActionDefinition.selectNext.name"
             description="%ActionDefinition.selectNext.description"
@@ skipping 1937 matching lines @@
               <with variable="affectedNatures">
                 <iterate operator="or">
                   <equals value="com.google.dart.tools.core.dartNature"/>
                 </iterate>
               </with>
             </enablement>
       </renameParticipant>
    </extension>
 
 </plugin>