Gradle related updates

build.gradle

@@ -1,8 +1,9 @@
 buildscript {
     ext {
-        version = '3.1.0'
+        version = '3.2.0'
         group = 'com.github.proxer'
 
+        gradleVersionsPluginVersion = '0.15.0'
         buildConfigPluginVersion = '1.1.8'
         freefairPluginsVersion = '1.0.0'
 
@@ -39,6 +40,7 @@ buildscript {
 
     dependencies {
         classpath "gradle.plugin.de.fuerstenau:BuildConfigPlugin:$buildConfigPluginVersion"
+        classpath "com.github.ben-manes:gradle-versions-plugin:$gradleVersionsPluginVersion"
         classpath "io.freefair.gradle:gradle-plugins:$freefairPluginsVersion"
     }
 }
@@ -53,5 +55,5 @@ allprojects {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '4.1-rc-1'
+    gradleVersion = '4.1'
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Thu Jul 27 02:05:24 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-rc-1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-bin.zip

library/build.gradle

@@ -2,6 +2,7 @@ apply plugin: 'java-library'
 apply plugin: 'maven-publish'
 
 apply plugin: 'jacoco'
+apply plugin: 'com.github.ben-manes.versions'
 apply plugin: 'de.fuerstenau.buildconfig'
 apply plugin: 'io.freefair.javadoc-links'
 
@@ -57,12 +58,12 @@ buildConfig {
 
 javadoc {
     dependsOn delombok
+    failOnError false
+
+    source = delombok.outputDir
 
     options.memberLevel = JavadocMemberLevel.PUBLIC
     options.addBooleanOption('Xdoclint:-missing', true)
-
-    source = delombok.outputDir
-    failOnError = false
 }
 
 jacocoTestReport {