Missing line break in email Closes #3727
Fix strict standards warnings in cateogry walkers. Closes #3734
Update CA.php

Correction for Newfoundland and Labrador Province abbreviation : http://canadaonline.about.com/od/postalservices/a/abbreviations-provinces-canada.htm
Merge remote-tracking branch 'woo/release-2-0-15' into release-2-0-14-tivnet