Build updates (#45)

* Update gradle and some basic deps
* Test also using JDK11

Author: deejay1

.travis.yml

@@ -2,3 +2,12 @@ language: java
 
 jdk:
   - openjdk8
+  - openjdk11
+
+before_cache:
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/

build.gradle

@@ -1,6 +1,6 @@
 plugins {
     id 'java'
-    id 'pl.allegro.tech.build.axion-release' version '1.9.2'
+    id 'pl.allegro.tech.build.axion-release' version '1.10.2'
 }
 
 scmVersion {
@@ -25,8 +25,8 @@ allprojects {
 subprojects {
 
     project.ext.versions = [
-        spock: '1.1-groovy-2.4',
-        groovy: '2.4.15'
+        spock: '1.3-groovy-2.5',
+        groovy: '2.5.8'
     ]
 
     repositories {
@@ -43,3 +43,7 @@ subprojects {
         options.compilerArgs += ['-Xlint:unchecked', '-Xlint:deprecation']
     }
 }
+
+wrapper {
+    gradleVersion = '5.6.2'
+}

gradle/wrapper/gradle-wrapper.jar

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10-bin.zip

gradle/wrapper/gradle-wrapper.properties

@@ -5,7 +5,7 @@ plugins {
     // does not work with Java 10
     // id 'jacoco'
     id 'application'
-    id 'com.github.johnrengelman.shadow' version '4.0.0'
+    id 'com.github.johnrengelman.shadow' version '5.1.0'
 }
 
 shadowJar {
@@ -18,7 +18,7 @@ dependencies {
 
     compile group: 'com.beust', name: 'jcommander', version: '1.72'
     compile group: 'com.google.guava', name: 'guava', version: '24.0-jre'
-    compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.9.9.2'
+    compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.9.10'
 
     compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
     compile group: 'ch.qos.logback', name: 'logback-classic', version: '1.2.3'