Move the Editor and Eclipse plugins over to using stagehand for the new project templates.

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/generator/StagehandException.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/generator/StagehandException.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/generator/StagehandException.java	(revision 0)
+++ editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/generator/StagehandException.java	(working copy)
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2014 Google Inc.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.dart.tools.core.generator;
+
+public class StagehandException extends Exception {
+  public StagehandException(String message) {
+    super(message);
+  }
+
+  public StagehandException(Throwable t) {
+    super(t);
+  }
+}