Results 3 issues of Gopal V

``` at org.apache.phoenix.util.DateUtil.parseDate(DateUtil.java:116) at org.apache.phoenix.schema.PDataType$12.toObject(PDataType.java:2102) at org.apache.phoenix.hive.PhoenixHiveDBWritable.write(PhoenixHiveDBWritable.java:94) ... 20 more Caused by: java.text.ParseException: Unparseable date: "2013-12-31" at java.text.DateFormat.parse(DateFormat.java:366) at org.apache.phoenix.util.DateUtil$1.parseObject(DateUtil.java:55) at org.apache.phoenix.util.DateUtil$1.parseObject(DateUtil.java:52) at org.apache.phoenix.util.DateUtil.parseDate(DateUtil.java:114) ... 22 more ```

This gets overriden in hive-env.sh, the Xmx in hiveserver2.sh doesn't kick in for HS2.