Added Google Analytics to the GTA site

The Google Analytics program was added to the GTA website so that we could track and report the Metrics for the site.  This included, but was not limited to:
a. the number of visitors
b. first time visitors to the site
c. the country of origin for all visitors
d. number of PDF downloads for resource materials
e. top ten pages visited
f. top ten first time visits (for pages)