ARROW-1243: [JAVA] update all libs to latest versions

NB this commit excludes Jackson and logback upgrades, since they are dealt with in 871 and 872

Author: Matt Darwin <(none)>
Author: Matt Darwin <matt.darwin@oracle.com>
Author: Matt <mattdarwin@yahoo.co.uk>

Closes apache#873 from mattdarwin/upgrade-libs and squashes the following commits:

9b51f46 [Matt Darwin] Merge branch 'master' into upgrade-libs
284a4ce [Matt Darwin] Merge branch 'master' of https://github.com/apache/arrow
79550b1 [Matt Darwin] rolling back lilith to 0.9.44 since 8 doesn't support java 7
c63eef6 [Matt Darwin] Merge branch 'master' into upgrade-libs
bc3b6a0 [Matt] Merge pull request #1 from apache/master
8599ba0 [Matt Darwin] backing out guava upgrade
80d81e6 [Matt Darwin] downgrading guava to 20 for java 7 compatibility
806f348 [Matt Darwin] Merge branch 'master' into upgrade-libs
8aafb7e [Matt Darwin] correcting indentation in BaseValueVector
94c1469 [Matt Darwin] upgrading netty to 4.0.49
cff5596 [Matt Darwin] reverting to netty 4.0.41.Final
568737d [Matt Darwin] switching to Collections from Guava for empty iterator
c194e48 [Matt Darwin] upgraded hppc to 0.7.2
38be468 [Matt Darwin] upgrading libs except jackson and logback

Author: Matt Darwin

java/memory/pom.xml

@@ -23,13 +23,13 @@
     <dependency>
       <groupId>com.google.code.findbugs</groupId>
       <artifactId>jsr305</artifactId>
-      <version>3.0.1</version>
+      <version>3.0.2</version>
     </dependency>
 
     <dependency>
       <groupId>com.carrotsearch</groupId>
       <artifactId>hppc</artifactId>
-      <version>0.7.1</version>
+      <version>0.7.2</version>
     </dependency>
   </dependencies>
 

java/pom.xml

@@ -454,7 +454,7 @@
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-handler</artifactId>
-      <version>4.0.41.Final</version>
+      <version>4.0.49.Final</version>
     </dependency>
 
     <dependency>
@@ -495,7 +495,7 @@
       <!-- JMockit needs to be on class path before JUnit. -->
       <groupId>com.googlecode.jmockit</groupId>
       <artifactId>jmockit</artifactId>
-      <version>1.3</version>
+      <version>1.7</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -507,7 +507,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>1.9.5</version>
+      <version>2.7.22</version>
       <scope>test</scope>
       <!-- Mockito  contains old Hamcrest classes, causes issues with JUNIT -->
       <exclusions>

java/tools/pom.xml

@@ -38,12 +38,12 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.4</version>
+            <version>3.6</version>
         </dependency>
         <dependency>
             <groupId>commons-cli</groupId>
             <artifactId>commons-cli</artifactId>
-            <version>1.2</version>
+            <version>1.4</version>
         </dependency>
         <dependency>
           <groupId>ch.qos.logback</groupId>

java/vector/pom.xml

@@ -34,7 +34,7 @@
     <dependency>
       <groupId>joda-time</groupId>
       <artifactId>joda-time</artifactId>
-      <version>2.9</version>
+      <version>2.9.9</version>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
@@ -49,12 +49,12 @@
     <dependency>
       <groupId>com.carrotsearch</groupId>
       <artifactId>hppc</artifactId>
-      <version>0.7.1</version>
+      <version>0.7.2</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
-      <version>3.4</version>
+      <version>3.6</version>
     </dependency>
     <dependency>
       <groupId>commons-codec</groupId>

java/vector/src/main/java/org/apache/arrow/vector/BaseValueVector.java

@@ -18,6 +18,7 @@
 
 package org.apache.arrow.vector;
 
+import java.util.Collections;
 import java.util.Iterator;
 
 import com.google.flatbuffers.FlatBufferBuilder;
@@ -104,7 +105,7 @@ public void reset() {
 
   @Override
   public Iterator<ValueVector> iterator() {
-    return Iterators.emptyIterator();
+    return Collections.emptyIterator();
   }
 
   public static boolean checkBufRefs(final ValueVector vv) {