updates from the flutter gallery rename (#3898)

* updates from the flutter gallery rename

* rename ids to io.flutter.gallery

dev/tools/mega_gallery.dart

@@ -53,12 +53,11 @@ void main(List<String> args) {
     copies = int.parse(results['copies']);
   }
 
-  print('Stats:');
-  print('  packages/flutter           : ${getStatsFor(new Directory("packages/flutter"))}');
-  print('  examples/flutter_gallery  : ${getStatsFor(new Directory("examples/flutter_gallery"))}');
+  print('Making $copies copies of flutter_gallery.');
   print('');
-
-  print('Making $copies copies of flutter_gallery:');
+  print('Stats:');
+  print('  packages/flutter            : ${getStatsFor(new Directory("packages/flutter"))}');
+  print('  examples/flutter_gallery    : ${getStatsFor(new Directory("examples/flutter_gallery"))}');
 
   Directory lib = _dir(out, 'lib');
   if (lib.existsSync())
@@ -82,7 +81,7 @@ void main(List<String> args) {
   _file(out, '.dartignore').writeAsStringSync('');
 
   // Count source lines and number of files; tell how to run it.
-  print('  ${path.relative(results["out"])}: ${getStatsFor(out)}');
+  print('  ${path.relative(results["out"])} : ${getStatsFor(out)}');
 }
 
 // TODO(devoncarew): Create an entry-point that builds a UI with all `n` copies.
@@ -156,7 +155,7 @@ class SourceStats {
   int lines = 0;
 
   @override
-  String toString() => '${_comma(files)} files, ${_comma(lines)} lines';
+  String toString() => '${_comma(files).padLeft(3)} files, ${_comma(lines).padLeft(6)} lines';
 }
 
 SourceStats getStatsFor(Directory dir, [SourceStats stats]) {

examples/flutter_gallery/android/AndroidManifest.xml

@@ -3,7 +3,7 @@
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file.
  -->
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="io.flutter.MaterialGallery" android:versionCode="1" android:versionName="0.0.1">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="io.flutter.gallery" android:versionCode="1" android:versionName="0.0.1">
 
     <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="21" />
     <uses-permission android:name="android.permission.INTERNET"/>

examples/flutter_gallery/ios/Info.plist

@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>Runner</string>
 	<key>CFBundleIdentifier</key>
-	<string>io.flutter.materialgallery</string>
+	<string>io.flutter.gallery</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>