Move final build file to the beginning and update guides to reflect this

README.adoc

 include::initial/build.gradle[]
 ----
 
-include::https://raw.github.com/spring-guides/getting-started-macros/master/bootstrap_starter_pom_disclaimer.adoc[]
+include::https://raw.github.com/spring-guides/getting-started-macros/master/spring-boot-gradle-plugin.adoc[]
 
 
 [[initial]]

initial/build.gradle

         maven { url "http://repo.spring.io/libs-snapshot" }
         mavenLocal()
     }
+    dependencies {
+        classpath("org.springframework.boot:spring-boot-gradle-plugin:1.0.0.RC3")
+    }
 }
 
 apply plugin: 'java'
 apply plugin: 'eclipse'
 apply plugin: 'idea'
+apply plugin: 'spring-boot'
 
 jar {
     baseName = 'gs-rest-service'

initial/pom.xml

         </dependency>
     </dependencies>
 
+    <properties>
+        <start-class>hello.Application</start-class>
+    </properties>
+
     <build>
         <plugins>
+            <plugin> 
+                <artifactId>maven-compiler-plugin</artifactId> 
+                <version>2.3.2</version> 
+            </plugin>
             <plugin>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>2.3.2</version>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
             </plugin>
         </plugins>
     </build>