fix issue with purchase meta that prevented it from working at all
Merge remote-tracking branch 'origin/master' into feature-purchase-meta-updates
Merge pull request #864 from benjaminprojas/feature-purchase-meta-updates

Feature purchase meta updates
2.7, coming right up.
typos in comments fixed
Merge pull request #846 from JeffPyeBrook/customer-meta-hardening

Customer meta hardening
Merge branch 'master' of github.com:wp-e-commerce/WP-e-Commerce