Pressable veggie cards, new launcher icon, release metadata. (#54)

veggieseasons/lib/screens/details.dart

@@ -73,12 +73,9 @@ class DetailsScreen extends StatelessWidget {
           Positioned(
             right: 0.0,
             left: 0.0,
-            child: Hero(
-              tag: veggie.id,
-              child: Image.asset(
-                veggie.imageAssetPath,
-                fit: BoxFit.cover,
-              ),
+            child: Image.asset(
+              veggie.imageAssetPath,
+              fit: BoxFit.cover,
             ),
           ),
           Positioned(

veggieseasons/lib/screens/favorites.dart

@@ -48,9 +48,9 @@ class FavoritesScreen extends StatelessWidget {
   Widget build(BuildContext context) {
     return CupertinoTabView(
       builder: (context) {
-        return DecoratedBox(
-          decoration: BoxDecoration(
-            color: Styles.scaffoldBackground,
+        return CupertinoPageScaffold(
+          navigationBar: CupertinoNavigationBar(
+            middle: Text('My Garden'),
           ),
           child: Center(
             child: _buildTabViewBody(context),

veggieseasons/lib/screens/list.dart

@@ -35,7 +35,7 @@ class ListScreen extends StatelessWidget {
   Widget build(BuildContext context) {
     return CupertinoTabView(
       builder: (context) {
-        String dateString = DateFormat.jms("en_US").format(DateTime.now());
+        String dateString = DateFormat("MMMM y").format(DateTime.now());
         final appState =
             ScopedModel.of<AppState>(context, rebuildOnChange: true);
         final prefs =