updated layout of generated server-appengine package

so the result is clean on dartfmt

CHANGELOG.md

 # CHANGELOG
 
+## 0.2.4
+- Improved layout of `server-appengine`.
+
 ## 0.2.3+1
 - fixed an issue with the Polymer template
 

lib/generators/server_appengine_data.dart

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   "pubspec.yaml",
   "text",
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 ];

templates/server-appengine/lib/memcache.dart

@@ -12,26 +12,24 @@ const String DEFAULT_KEY = 'hello';
 bool cacheInitialized = false;
 
 /// Initialize the cache.
-Future initialize() {
+Future initialize() async {
   // If the cache is already initialized, just return.
-  if (cacheInitialized) {
-    return new Future.value();
-  }
+  if (cacheInitialized) return;
 
   // The AppEngine environment has a preconfigured 'context' which provides
   // authorized access to the default api services.
   var memcache = context.services.memcache;
 
   // Initialize the cache and set the default value.
-  return memcache.clear()
-      .then((_) => memcache.set(DEFAULT_KEY, 'there!'))
-      .then((_) => cacheInitialized = true);
+  await memcache.clear();
+  await memcache.set(DEFAULT_KEY, 'there!');
+  cacheInitialized = true;
 }
 
 /// Clears the cache and resets the default.
-Future clear() {
+Future clear() async {
   cacheInitialized = false;
-  return initialize();
+  await initialize();
 }
 
 /// Helper method to write a set of key/value pairs to the memcache.
@@ -39,7 +37,8 @@ void write(HttpResponse response, Map<String, String> valueMap) {
   var memcache = context.services.memcache;
   Future.forEach(valueMap.keys, (key) {
     var value = valueMap[key];
-    return memcache.set(key, value)
+    return memcache
+        .set(key, value)
         .then((_) => response.writeln('"${key}": "${value}"'));
   }).whenComplete(response.close);
 }
@@ -47,8 +46,13 @@ void write(HttpResponse response, Map<String, String> valueMap) {
 /// Helper method to read a set of values from the memcache.
 void read(HttpResponse response, Iterable<String> keys) {
   var memcache = context.services.memcache;
-  Future.forEach(keys, (key) => memcache.get(key)
-      .then((value) => response.writeln('"${key}": "${value}"'))
-      .catchError((_) => response.writeln('"${key}": value not found!')))
-    .whenComplete(response.close);
+  Future
+      .forEach(
+          keys,
+          (key) => memcache
+              .get(key)
+              .then((value) => response.writeln('"${key}": "${value}"'))
+              .catchError(
+                  (_) => response.writeln('"${key}": value not found!')))
+      .whenComplete(response.close);
 }

templates/server-appengine/pubspec.yaml

@@ -5,7 +5,7 @@ description: A simple App Engine application.
 #homepage: https://www.example.com
 
 environment:
-  sdk: '>=1.5.0 <2.0.0'
+  sdk: '>=1.9.0 <2.0.0'
 
 dependencies:
   appengine: '>=0.3.0 <0.4.0'