print the version from solum-db-manage

manager.version() doesn't actually print anything,
it just returns the version.

Change-Id: I5d3b777be60c570dfec1b9136d71865dc92f9535
Prevent a false warning from solum-db-manage

We have mysql traditional mode set everywhere, but not
in the db manage session. It gives an alarming message
so correctly setup the session with tradition mode on.

Change-Id: I2b930e10a7fa263dbd4e1c9c20070eb7884cc724
Merge "print the version from solum-db-manage"
Merge "Prevent a false warning from solum-db-manage"