Rev pub specs

sky/packages/flx/pubspec.yaml

 name: flx
-version: 0.0.8
+version: 0.0.9
 author: Flutter Authors <flutter-dev@googlegroups.com>
 description: Library for dealing with Flutter bundle (.flx) files
 homepage: http://flutter.io
 dependencies:
   sky_services: 
-    '0.0.47'
+    '0.0.48'
   yaml: ^2.1.3
   asn1lib: ^0.4.1
   cipher: ^0.7.1

sky/packages/sky/pubspec.yaml

 name: flutter
-version: 0.0.16
+version: 0.0.17
 author: Flutter Authors <flutter-dev@googlegroups.com>
 description: A framework for writing Flutter applications
 homepage: http://flutter.io
@@ -10,9 +10,9 @@ dependencies:
   mojo_sdk: 0.1.0
   newton: '>=0.1.4 <0.2.0'
   sky_engine: 
-    '0.0.47'
+    '0.0.48'
   sky_services: 
-    '0.0.47'
+    '0.0.48'
   sky_tools: '>=0.0.35 <0.1.0'
   vector_math: '>=1.4.3 <2.0.0'
 environment:

skysprites/pubspec.yaml

 name: flutter_sprites
 description: A sprite toolkit built on top of Flutter
-version: 0.0.13
+version: 0.0.14
 author: Flutter Authors <flutter-dev@googlegroups.com>
 homepage: http://flutter.io
 dependencies:
   flutter: 
-    '0.0.16'
+    '0.0.17'
   box2d: ">=0.2.0 <0.3.0"