Use depednency management in snippets

_includes/build.gradle

@@ -1,3 +1,17 @@
+buildscript {
+    dependencies {
+        classpath "io.spring.gradle:dependency-management-plugin:0.5.2.RELEASE"
+    }
+}
+
+apply plugin: "io.spring.dependency-management"
+
+dependencyManagement {
+     imports {
+          mavenBom '{@= groupId @}:spring-cloud-bus:{@= version @}'
+     }
+}
+
 dependencies {
-    compile '{@= groupId @}:spring-cloud-starter-bus-amqp:{@= version @}'
+    compile '{@= groupId @}:spring-cloud-starter-bus-amqp'
 }

_includes/pom.xml

@@ -2,7 +2,7 @@
     <dependencies>
         <dependency>
             <groupId>{@= groupId @}</groupId>
-            <artifactId>spring-cloud-starters</artifactId>
+            <artifactId>spring-cloud-bus-parent</artifactId>
             <version>{@= version @}</version>
             <type>pom</type>
             <scope>import</scope>