updating twitteroauth.php to be in line with latest commits up to 6/12/13 https://github.com/abraham/twitteroauth/commits/master/twitteroauth/twitteroauth.php
Facebook SDK needed to check for session being set to avoid a notice.

Signed-off-by: Galen Vinter <galen.vinter@gmail.com>
Merge branch 'staging' of github.com:Placester/builder into staging
Property Listing page customizaton:
- new admin page to list and manage available property listing templates, both built in and user created.
- 1 basic built in template which user can use or copy as a starting point to create their own.
- when user creates a new listing template the fields are pre-populated using a built in template, so that they have a starting point.
Cleaning-up and merge plugin taxonomy functionality
Removing locality taxonomies from being enabled/used by any post types other than 'property' CPTs...
Fixing static refs
...