Reattach fitness to the build

We can build Fitness again now that playfair has been updated to account for
the package:flutter rename.
diff --git a/examples/BUILD.gn b/examples/BUILD.gn
index f8061ae..5ead42c 100644
--- a/examples/BUILD.gn
+++ b/examples/BUILD.gn
@@ -7,7 +7,7 @@
 
   deps = [
     "//examples/demo_launcher",
-    #"//examples/fitness",
+    "//examples/fitness",
     "//examples/game",
     "//examples/mine_digger",
     "//examples/rendering",
diff --git a/examples/address_book/pubspec.yaml b/examples/address_book/pubspec.yaml
index 4351129..30a73e7 100644
--- a/examples/address_book/pubspec.yaml
+++ b/examples/address_book/pubspec.yaml
@@ -1,6 +1,6 @@
 name: address_book
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
 dependency_overrides:
   material_design_icons:
diff --git a/examples/demo_launcher/BUILD.gn b/examples/demo_launcher/BUILD.gn
index a934fb9..a5cd5da 100644
--- a/examples/demo_launcher/BUILD.gn
+++ b/examples/demo_launcher/BUILD.gn
@@ -12,7 +12,7 @@
     apk_name = "SkyDemo"
 
     bundles = [
-      #"//examples/fitness",
+      "//examples/fitness",
       "//examples/game",
       "//examples/mine_digger",
       "//examples/rendering:interactive_flex",
diff --git a/examples/demo_launcher/pubspec.yaml b/examples/demo_launcher/pubspec.yaml
index 637552c..de60ccf 100644
--- a/examples/demo_launcher/pubspec.yaml
+++ b/examples/demo_launcher/pubspec.yaml
@@ -1,6 +1,6 @@
 name: demo_launcher
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
 dependency_overrides:
   material_design_icons:
diff --git a/examples/fitness/pubspec.yaml b/examples/fitness/pubspec.yaml
index 2b8abd4..c018dd7 100644
--- a/examples/fitness/pubspec.yaml
+++ b/examples/fitness/pubspec.yaml
@@ -1,9 +1,9 @@
 name: fitness
 dependencies:
-  flutter: any
-  sky_tools: any
-  playfair: ^0.0.9
+  flutter: ">=0.0.3 <0.1.0"
+  playfair: ^0.0.10
   path: ^1.3.6
+  sky_tools: any
 dependency_overrides:
   material_design_icons:
     path: ../../sky/packages/material_design_icons
diff --git a/examples/game/pubspec.yaml b/examples/game/pubspec.yaml
index c7d1356..346cb34 100644
--- a/examples/game/pubspec.yaml
+++ b/examples/game/pubspec.yaml
@@ -1,6 +1,6 @@
 name: asteroids
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
   skysprites: any
   box2d: any
diff --git a/examples/hello_world/pubspec.yaml b/examples/hello_world/pubspec.yaml
index 6593305..7cdd0bc 100644
--- a/examples/hello_world/pubspec.yaml
+++ b/examples/hello_world/pubspec.yaml
@@ -1,6 +1,6 @@
 name: hello_world
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
 dependency_overrides:
   material_design_icons:
diff --git a/examples/mine_digger/pubspec.yaml b/examples/mine_digger/pubspec.yaml
index 739bf26..b07705c 100644
--- a/examples/mine_digger/pubspec.yaml
+++ b/examples/mine_digger/pubspec.yaml
@@ -1,6 +1,6 @@
 name: mine_digger
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
 dependency_overrides:
   material_design_icons:
diff --git a/examples/raw/pubspec.yaml b/examples/raw/pubspec.yaml
index e4ac176..02ca8c1 100644
--- a/examples/raw/pubspec.yaml
+++ b/examples/raw/pubspec.yaml
@@ -1,6 +1,6 @@
 name: raw
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
 dependency_overrides:
   material_design_icons:
diff --git a/examples/rendering/pubspec.yaml b/examples/rendering/pubspec.yaml
index 72895ac..0eb70a3 100644
--- a/examples/rendering/pubspec.yaml
+++ b/examples/rendering/pubspec.yaml
@@ -1,6 +1,6 @@
 name: rendering
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
 dependency_overrides:
   material_design_icons:
diff --git a/examples/stocks/pubspec.yaml b/examples/stocks/pubspec.yaml
index 23b2d38..2d1c054 100644
--- a/examples/stocks/pubspec.yaml
+++ b/examples/stocks/pubspec.yaml
@@ -1,6 +1,6 @@
 name: stocks
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
 dependency_overrides:
   material_design_icons:
diff --git a/examples/widgets/pubspec.yaml b/examples/widgets/pubspec.yaml
index e4c55ad..1a48361 100644
--- a/examples/widgets/pubspec.yaml
+++ b/examples/widgets/pubspec.yaml
@@ -1,6 +1,6 @@
 name: widgets
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
 dependency_overrides:
   material_design_icons:
diff --git a/packages/flutter_sprites/pubspec.yaml b/packages/flutter_sprites/pubspec.yaml
index 6ae19a6..d9ec7d3 100644
--- a/packages/flutter_sprites/pubspec.yaml
+++ b/packages/flutter_sprites/pubspec.yaml
@@ -4,8 +4,8 @@
 author: Flutter Authors <flutter-dev@googlegroups.com>
 homepage: http://flutter.io
 dependencies:
-  flutter: ">=0.0.36 < 0.1.0"
-  sky_tools: ">=0.0.10 < 0.1.0"
+  flutter: ">=0.0.3 <0.1.0"
+  sky_tools: ">=0.0.18 <0.1.0"
   box2d: any
 dependency_overrides:
   flutter:
diff --git a/packages/unit/pubspec.yaml b/packages/unit/pubspec.yaml
index 51606f0..1e6dbe2 100644
--- a/packages/unit/pubspec.yaml
+++ b/packages/unit/pubspec.yaml
@@ -1,6 +1,6 @@
 name: sky_unit_tests
 dependencies:
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_tools: any
   test: any
   quiver: any
diff --git a/packages/updater/pubspec.yaml b/packages/updater/pubspec.yaml
index df78548..198081c 100644
--- a/packages/updater/pubspec.yaml
+++ b/packages/updater/pubspec.yaml
@@ -5,7 +5,7 @@
 homepage: http://flutter.io
 dependencies:
   mojo: '>=0.2.0 <0.3.0'
-  flutter: any
+  flutter: ">=0.0.3 <0.1.0"
   sky_services: any
   path: any
   yaml: any