Add Metadata (#764)

* Add Metadata

1. Use Metadata server
2. Fix a bunch of check style issues
3. Switch to using StringBuilder

* rename file again

Well, Intellij didn’t pickup that this was tracked by git :(

appengine-java8/gaeinfo/pom.xml

@@ -33,10 +33,10 @@ Copyright 2017 Google Inc.
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
   </properties>
-<!-- [END compiler] -->
+  <!-- [END compiler] -->
 
   <dependencies>
-      <dependency>
+    <dependency>
       <groupId>com.google.appengine</groupId>
       <artifactId>appengine-api-1.0-sdk</artifactId>
       <version>${appengine.sdk.version}</version>
@@ -50,11 +50,24 @@ Copyright 2017 Google Inc.
       <scope>provided</scope>
     </dependency>
 
+    <dependency>
+      <groupId>com.squareup.okhttp3</groupId>
+      <artifactId>okhttp</artifactId>
+      <version>3.8.1</version>
+    </dependency>
+
+    <dependency>
+      <groupId>com.google.code.gson</groupId>
+      <artifactId>gson</artifactId>
+      <version>2.8.1</version>
+    </dependency>
+
   </dependencies>
 
   <build>
     <!-- for hot reload of the web application -->
-    <outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/classes</outputDirectory>
+    <outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/classes
+    </outputDirectory>
     <plugins>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
@@ -85,4 +98,4 @@ Copyright 2017 Google Inc.
     </plugins>
   </build>
 </project>
-<!-- [END pom] -->
+  <!-- [END pom] -->