add google-java-formater

Author: Emil-Gustafsson

build.gradle

@@ -2,10 +2,22 @@ group 'com.cisco.trex'
 
 apply plugin: 'java'
 apply plugin: 'maven'
+apply plugin: 'com.github.sherter.google-java-format'
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
+buildscript {
+  repositories {
+    maven {
+      url "https://plugins.gradle.org/m2/"
+    }
+  }
+  dependencies {
+    classpath "gradle.plugin.com.github.sherter.google-java-format:google-java-format-gradle-plugin:0.8"
+  }
+}
+
 repositories {
     mavenCentral()
 }