Downgrade ecmascript to more compatible version

package.js

@@ -4,7 +4,7 @@
 ###     See included LICENSE file for details.
 ***************************************************************************/
 
-var currentVersion = '1.3.8';
+var currentVersion = '1.3.9';
 
 Package.describe({
   summary: 'Collections that efficiently store files using MongoDB GridFS (noncoffee version)',
@@ -27,7 +27,7 @@ Npm.depends({
 });
 
 Package.onUse(function(api) {
-  api.use('ecmascript@0.12.4');
+  api.use('ecmascript@0.9.0');
   api.use('webapp@1.3.13', 'server');
   api.use('mongo@1.1.15', ['server', 'client']);
   api.use('minimongo@1.0.20', 'server');
@@ -47,7 +47,7 @@ Package.onUse(function(api) {
 
 Package.onTest(function (api) {
   api.use('edemaine:file-collection@' + currentVersion, ['server', 'client']);
-  api.use('ecmascript@0.12.4');
+  api.use('ecmascript@0.9.0');
   api.use('tinytest@1.0.12', ['server', 'client']);
   api.use('test-helpers@1.0.11', ['server','client']);
   api.use('http@1.2.11', ['server','client']);