bump gradle to latest 4.x version

Author: otter606

Contributors.md

@@ -1,4 +1,5 @@
 ## Contributors
 
 
-Initial code contribution: Richard Adams, ResearchSpace.
+Initial code contribution: Richard Adams (otter606).
+PRs and contributions: Aleix Mariné Tena (AleixMT)

build.gradle

@@ -11,6 +11,12 @@ repositories {
     mavenCentral()  
 }
 
+configurations.all {
+    resolutionStrategy {
+        force 'xml-apis:xml-apis:1.0.b2'
+    }
+}
+
 sourceSets {
     integrationTest {
         java {
@@ -59,7 +65,7 @@ test{
 
 
 task integrationTest(type: Test) {
-    testClassesDir = sourceSets.integrationTest.output.classesDir
+    testClassesDirs = sourceSets.integrationTest.output
     classpath = sourceSets.integrationTest.runtimeClasspath
     outputs.upToDateWhen { false }
     systemProperties = System.getProperties()
@@ -73,6 +79,8 @@ tasks.withType(Test) {
 }
 
 //Lists dependencies
-task listJars << {
-    configurations.compile.each { File file -> println file.name }
+task listJars {
+    doLast {
+        configurations.compile.each { File file -> println file.name }
+    }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists