update to Gradle 3.5

build.gradle

+import org.gradle.api.tasks.wrapper.Wrapper
+import org.gradle.api.tasks.wrapper.Wrapper.DistributionType
+
 plugins {
     id 'java'
     id 'idea'
@@ -23,6 +26,11 @@ dependencies {
     compile 'commons-io:commons-io:2.4'
 }
 
+task wrapper(type: Wrapper) {
+    distributionType DistributionType.ALL
+    gradleVersion '3.5'
+}
+
 idea {
     module {
         downloadJavadoc = true

gradle/wrapper/gradle-wrapper.properties

-#Thu Dec 01 16:27:50 CET 2016
+#Wed Apr 26 17:07:23 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.5-all.zip