Upgrade lz4 to 1.4.0

patch by Michael Kjellman; reviewed by jasobrown for CASSANDRA-13741

CHANGES.txt

@@ -1,4 +1,5 @@
 4.0
+ * Update lz4 to 1.4.0 (13741)
  * Optimize Paxos prepare and propose stage for local requests (CASSANDRA-13862)
  * Throttle base partitions during MV repair streaming to prevent OOM (CASSANDRA-13299)
  * Use compaction threshold for STCS in L0 (CASSANDRA-13861)

build.xml

@@ -358,7 +358,7 @@
         <scm connection="${scm.connection}" developerConnection="${scm.developerConnection}" url="${scm.url}"/>
         <dependencyManagement>
           <dependency groupId="org.xerial.snappy" artifactId="snappy-java" version="1.1.2.6"/>
-          <dependency groupId="net.jpountz.lz4" artifactId="lz4" version="1.3.0"/>
+          <dependency groupId="org.lz4" artifactId="lz4-java" version="1.4.0"/>
           <dependency groupId="com.ning" artifactId="compress-lzf" version="0.8.4"/>
           <dependency groupId="com.google.guava" artifactId="guava" version="18.0"/>
           <dependency groupId="org.hdrhistogram" artifactId="HdrHistogram" version="2.1.9"/>
@@ -565,7 +565,7 @@
                 version="${version}"/>
         <scm connection="${scm.connection}" developerConnection="${scm.developerConnection}" url="${scm.url}"/>
         <dependency groupId="org.xerial.snappy" artifactId="snappy-java"/>
-        <dependency groupId="net.jpountz.lz4" artifactId="lz4"/>
+        <dependency groupId="org.lz4" artifactId="lz4-java"/>
         <dependency groupId="com.ning" artifactId="compress-lzf"/>
         <dependency groupId="com.google.guava" artifactId="guava"/>
         <dependency groupId="commons-cli" artifactId="commons-cli"/>