Updates Guava For Generator

Author: JLLeitschuh

buildSrc/build.gradle

@@ -12,7 +12,7 @@ configurations {
 dependencies {
     compile gradleApi()
     compile localGroovy()
-    compile group: 'com.google.guava', name: 'guava', version: '18.0'
+    compile group: 'com.google.guava', name: 'guava', version: '19.0'
     compile group: 'com.github.javaparser', name: 'javaparser-core', version: '2.2.2'
     source  group: 'org.bytedeco.javacpp-presets', name: 'opencv', version: '3.0.0-1.1', classifier: 'sources'
     testCompile group: 'junit', name: 'junit', version: '4.11'