upgrade to joda 1.6.1

modules/jarjar/build.gradle

@@ -12,7 +12,7 @@ dependencies {
     runtime 'org.elasticsearch:es-trove:2.1.0'
     runtime 'org.elasticsearch:es-jsr166y:20100615'
 
-    runtime 'joda-time:joda-time:1.6'
+    runtime 'joda-time:joda-time:1.6.1'
     runtime 'org.mvel:mvel2:2.0.17'
 
     runtime 'org.codehaus.jackson:jackson-core-asl:1.5.5'