tweaking some parameters to create larger jobs (and therefore smaller db inserts)
fixes #11
closes #12

Squashed commit of the following:

commit d35bb4195e49e7264402ebb9c1777fb432152b0d
Author: tspurway <tspurway@gmail.com>
Date:   Tue Nov 25 13:32:50 2014 -0500

    adding fix to track 'enhanced' tile clicks/impressions