[SPARK-7063] when lz4 compression is used, it causes core dump

this fix is to solve one issue found in lz4 1.2.0, which caused core dump in Spark Core with IBM JDK.  that issue is fixed in lz4 1.3.0 version.

Author: Jihong MA <[email protected]>

Closes apache#6226 from JihongMA/SPARK-7063-1 and squashes the following commits:

0cca781 [Jihong MA] SPARK-7063
4559ed5 [Jihong MA] SPARK-7063
daa520f [Jihong MA] SPARK-7063 upgrade lz4 jars
71738ee [Jihong MA] Merge remote-tracking branch 'upstream/master'
dfaa971 [Jihong MA] SPARK-7265 minor fix of the content
ace454d [Jihong MA] SPARK-7265 take out PySpark on YARN limitation
9ea0832 [Jihong MA] Merge remote-tracking branch 'upstream/master'
d5bf3f5 [Jihong MA] Merge remote-tracking branch 'upstream/master'
7b842e6 [Jihong MA] Merge remote-tracking branch 'upstream/master'
9c84695 [Jihong MA] SPARK-7265 address review comment
a399aa6 [Jihong MA] SPARK-7265 Improving documentation for Spark SQL Hive support

Author: JihongMA

pom.xml

@@ -495,7 +495,7 @@
       <dependency>
         <groupId>net.jpountz.lz4</groupId>
         <artifactId>lz4</artifactId>
-        <version>1.2.0</version>
+        <version>1.3.0</version>
       </dependency>
       <dependency>
         <groupId>com.clearspring.analytics</groupId>