update submodule ref
tools to manipulate config and endpoint data
Merge remote-tracking branch 'upstream/master'
Merge pull request #70 from dbeck/master

new tools to manipulate config and endpoint data
add service type to the saved endpoint file's name
Merge pull request #71 from dbeck/master

add service type to the saved endpoint file's name
Updated common.
Adding timeout to PG queries so we tolerate locked tables.
Handling BYTES data type.
Merge remote-tracking branch 'origin/greenplum-fix' into greenplum-fix