Make the other stats sortable.

This allows us to insert them in a standard order so we don't get deadlocks.

git-svn-id: https://source.sakaiproject.org/svn/sitestats/branches/STAT-342@124053 66ffb92e-73f9-0310-93c1-f5514f145a0a
Use a database connection pool when running tests so we push MySQL with statements rather than it's connection handling code.

git-svn-id: https://source.sakaiproject.org/svn/sitestats/branches/STAT-342@124054 66ffb92e-73f9-0310-93c1-f5514f145a0a
Update to a newer MySQL connector.

The older connector was throwing exceptions under some conditions.

git-svn-id: https://source.sakaiproject.org/svn/sitestats/branches/STAT-342@124056 66ffb92e-73f9-0310-93c1-f5514f145a0a