commit f10e4aeb4b07720dcc149277d83c6c8679033ca2
Author: Csaba Fulop <csaba.fulop@cloudera.com>
Date:   Thu Mar 29 12:41:02 2018 +0200

    Update IMPALA_LZO_HADOOP_LZO_REF to cdh5-0.4.15_5.15.0

commit 3c7c06c60bf989fb393b682d3cfa4921bfdf82e3
Author: Csaba Fulop <csaba.fulop@cloudera.com>
Date:   Thu Mar 29 11:51:05 2018 +0200

    Update Impala version to 2.12.0