animalsniffer.patch

diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index 623fdab..ce29769 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -87,6 +87,7 @@ dependencies {
   compile 'de.thetaphi:forbiddenapis:2.1'
   compile 'com.bmuschko:gradle-nexus-plugin:2.3.1'
   compile 'org.apache.rat:apache-rat:0.11'
+  compile 'ru.vyarus:gradle-animalsniffer-plugin:1.0.1'
 }
 
 
diff --git a/client/build.gradle b/client/build.gradle
index 4c4a56d..8343e30 100644
--- a/client/build.gradle
+++ b/client/build.gradle
@@ -21,6 +21,7 @@ import org.elasticsearch.gradle.precommit.PrecommitTasks
 import org.gradle.api.JavaVersion
 
 apply plugin: 'elasticsearch.build'
+apply plugin: 'ru.vyarus.animalsniffer'
 
 targetCompatibility = JavaVersion.VERSION_1_7
 sourceCompatibility = JavaVersion.VERSION_1_7
@@ -38,6 +39,8 @@ dependencies {
   testCompile "org.apache.lucene:lucene-core:${versions.lucene}"
   testCompile "org.apache.lucene:lucene-codecs:${versions.lucene}"
   testCompile "org.elasticsearch:securemock:1.2"
+
+  signature 'org.codehaus.mojo.signature:java16:1.1@signature'
 }
 
 //TODO compiling from 1.8 with target 1.7 and source 1.7 is best effort, not enough to ensure we are java 7 compatible