add gradle plugin: gradle-versions-plugin

build.gradle

@@ -1,6 +1,20 @@
 apply plugin: 'java'
 apply plugin: 'eclipse'
 
+
+apply plugin: 'com.github.ben-manes.versions'
+
+buildscript {
+  repositories {
+    jcenter()
+  }
+
+  dependencies {
+    classpath 'com.github.ben-manes:gradle-versions-plugin:0.17.0'
+  }
+}
+
+
 /*
  * The shared configuration for all sub-projects:
  */