Upgrade Location Extensions to use Feed Services (v201406)

Part of upgrading AdWords v201406, Location Extensions should use Feeds Services instead of CampaignLocationExtensionService

• The new feeds-based Location Extensions would work with the Placeholders (https://developers.google.com/adwords/api/docs/appendix/placeholders) that already exist, one has to just set them, not GMB (Google My Business)
• Blog post on extensions upgrade http://googleadsdeveloper.blogspot.co.uk/2014/07/adwords-api-upgrading-to-account-level.html