Fixed survey count problem for HealthGrades
Added review count to UCompareHealthCare output.
Made healthgrades parser work on pages with only one survey
Added Number-of-Ratings to HealthGrades
Handle missing paths better
Fixes to HealthGrades, RateMDs, and Vitals

Fixes for new versions of HealthGrades (incomplete due to ajax loading),
RateMDs, and Vitals.