upgraded Dependency management plugin

build.gradle

@@ -25,13 +25,13 @@ buildscript {
     classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6'
     classpath 'org.kt3k.gradle.plugin:coveralls-gradle-plugin:2.8.2'
     classpath 'com.github.ben-manes:gradle-versions-plugin:0.12.0'
-    classpath "io.spring.gradle:dependency-management-plugin:0.5.6.RELEASE"
   }
 }
 
 plugins {
   id "com.github.hierynomus.license" version "0.11.0"
   id 'net.researchgate.release' version '2.3.1'
+  id "io.spring.dependency-management" version "1.0.4.RELEASE"
 }
 
 apply plugin: 'java'
@@ -42,13 +42,10 @@ apply plugin: 'com.github.kt3k.coveralls'
 apply plugin: 'maven-publish'
 apply plugin: 'com.jfrog.bintray'
 apply plugin: 'com.github.ben-manes.versions'
-apply plugin: "io.spring.dependency-management"
 
 repositories {
   jcenter()
-  maven {
-    url 'http://repo.springsource.org/milestone/'
-  }
+  mavenCentral()
 }
 
 version = project.version