Merge pull request #15 from jubeira/gradle_3-5-1

Gradle update: 3.5.1

src/genjava/templates/genjava_project/build.gradle.in

@@ -15,7 +15,7 @@
  */
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '2.14.1'
+    gradleVersion = '3.5.1'
 }
 
 buildscript {
@@ -67,7 +67,8 @@ jar {
     }
 }
 
-task info << {
+task info {
+    doLast {
         println "\nProject Info"
         println "============\n"
         println "Name          : ${rootProject}"
@@ -89,6 +90,7 @@ task info << {
             println "Files         : ${it}"
         }
     }
+}
 
 /* Damon's message generator doesn't catch every message. It expects everything to be nicely under 'msg'
  * and that directory to be under the package root. It also expects every msg it finds should be buildable.
@@ -98,9 +100,11 @@ task info << {
  * Until we get this properly fixed (it fails in genjava), then we use the following bugfix to deal with the
  * 'Could not copy MANIFEST.MF...' error that occurs when no sources are to be made for an artifact.
  */
-task bugfixtask << {
+task bugfixtask {
+    doLast {
         mkdir sourceSets.main.output.classesDir
     }
+}
 
 jar.dependsOn(bugfixtask)