Support Multiple Countries for Signup
1. Replace the Country text box in registration page with jQuery Country Dropdown list as in http://jqueryui.com/autocomplete/#combobox
2. If the country is not US, Prompt for State and City Text boxes (need to discuss)
3. Add new countries to a database table along with its country id.
4. Replace hard coded country name with info driven from database
5. Test the Fix with Tech and Biz teams