test_data_source_tables should only run for 'text/none'

Change-Id: I784fb4305f8cff92c2582b0a7008f836c7aa9fa4
Reviewed-on: http://gerrit.ent.cloudera.com:8080/2504
Reviewed-by: Matthew Jacobs <mj@cloudera.com>
Tested-by: jenkins
IMPALA-990: Impala services should abort if there is an error starting a ThriftServer

Change-Id: I10025b0ff35c61fb6bbd0d1f8bbe1e132e70a71e
Reviewed-on: http://gerrit.ent.cloudera.com:8080/2505
Reviewed-by: Henry Robinson <henry@cloudera.com>
Tested-by: jenkins
IMPALA-989: Fix overflow with decimal divide.

Change-Id: Ia56956e562a1ecc64fc04e4b07df12f3e0ff55e5
Reviewed-on: http://gerrit.ent.cloudera.com:8080/2503
Reviewed-by: Nong Li <nong@cloudera.com>
Tested-by: jenkins