For standalone mode, add worker local env setting of SPARK_JAVA_OPTS as default and let application env override default options if applicable

Signed-off-by: shane-huang <shengsheng.huang@intel.com>
Update to Chill 0.3.1
Add test for Kryo with WrappedArray (which was failing in Chill 0.3.0)
Merge pull request #797 from mateiz/chill-0.3.1

Update to Chill 0.3.1
Fixed a typo in mllib inline documentation.
Optimize JavaPageRank to use reduceByKey instead of groupByKey
add comment in spark-env.sh.template for SPARK_JAVA_OPTS

Signed-off-by: shane-huang <shengsheng.huang@intel.com>
Merge pull request #788 from shane-huang/sparkjavaopts

For standalone mode, add worker local env setting of SPARK_JAVA_OPTS as ...
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