Integration of MOVE_FILE into the server and a couple of fixes.

pkg/analysis_server/lib/src/protocol.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library protocol;
 
 import 'dart:collection';
 import 'dart:convert';
 
 import 'package:analysis_server/src/computer/element.dart' show
@@ skipping 450 matching lines @@
     String jsonPath, Object json, RefactoringKind kind) {
   if (kind == RefactoringKind.EXTRACT_LOCAL_VARIABLE) {
     return new ExtractLocalVariableOptions.fromJson(jsonDecoder, jsonPath, json);
   }
   if (kind == RefactoringKind.EXTRACT_METHOD) {
     return new ExtractMethodOptions.fromJson(jsonDecoder, jsonPath, json);
   }
   if (kind == RefactoringKind.INLINE_METHOD) {
     return new InlineMethodOptions.fromJson(jsonDecoder, jsonPath, json);
   }
+  if (kind == RefactoringKind.MOVE_FILE) {
+    return new MoveFileOptions.fromJson(jsonDecoder, jsonPath, json);
+  }
   if (kind == RefactoringKind.RENAME) {
     return new RenameOptions.fromJson(jsonDecoder, jsonPath, json);
   }
   return null;
 }
 
 
 /**
  * Create a SearchResultKind based on a value from the search engine.
  */
@@ skipping 549 matching lines @@
     hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
     hash = hash ^ (hash >> 11);
     return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
   }
 
   static int hash2(a, b) => finish(combine(combine(0, a), b));
 
   static int hash4(a, b, c, d) =>
       finish(combine(combine(combine(combine(0, a), b), c), d));
 }