add region takes for Endpoints Guice dependencies (GoogleCloudPlatform#967)

Author: tangiel

appengine/endpoints-frameworks-v2/guice-example/build.gradle

@@ -44,7 +44,9 @@ apply plugin: 'com.google.cloud.tools.appengine'
 
 dependencies {
     compile 'com.google.endpoints:endpoints-framework:2.0.9'
+    // [START endpoints-guice]
     compile 'com.google.endpoints:endpoints-framework-guice:2.0.9'
+    // [END endpoints-guice]
     compile 'com.google.endpoints:endpoints-management-control-appengine:1.0.5'
     compile 'com.google.endpoints:endpoints-framework-auth:1.0.5'
 }

appengine/endpoints-frameworks-v2/guice-example/pom.xml

@@ -46,11 +46,13 @@
             <artifactId>endpoints-framework</artifactId>
             <version>${endpoints.framework.version}</version>
         </dependency>
+        <!-- [START endpoints-guice] -->
         <dependency>
             <groupId>com.google.endpoints</groupId>
             <artifactId>endpoints-framework-guice</artifactId>
             <version>2.0.10</version>
         </dependency>
+        <!-- [START endpoints-guice] -->
         <dependency>
             <groupId>com.google.endpoints</groupId>
             <artifactId>endpoints-management-control-appengine-all</artifactId>