Location Module Canadian Postal Codes

Use the attached file to add Canadian postal codes to the Location module. Here's how:

1. Download the attached file and rename to zipcodes.ca.mysql.zip
2. Unzip the file to sites/all/modules/location/database
3. Import into MySQL from a shell using the following commands:

cd sites/SITENAME/modules/location
mysql -u username -p database-name database/zipcodes.ca.mysql

This will hopefully get committed to the Location module in a future release. Thanks to kasiawaka for putting this together; I just made some minor SQL optimizations. More details are available in this issue.