Enhance Selenium regression test search helper to add a feature that will use the dal to replicate the database query of a simple search

...l use the dal to replicate the database query of a simple search.

Note that this is for GCI task: http://www.google-melange.com/gci/task/view/google/gci2012/8101208
The checking of records returned is in a separate GCI task (http://www.google-melange.com/gci/task/view/google/gci2012/8098205).