Overview of changes from libfolks 0.4.0 to libfolks 0.5.0
=========================================================

Major changes:
* Add support to change primary (writeable) store either via
  GConf or an env variable (bug 645441).
* Bumped Vala dependency to 0.12.0 for bug #646345

Bugs fixed:
* Bug 644968 - _update_phone_numbers() needs to create copies
  of each List<FieldDetails>
* Bug 644966 - _update_emails () needs to create copies of each
  List<FieldDetails>
* Bug 644527 - Add a Tracker backend
* Bug 645430 - folks-inspect: Use LinkedHashSet to access im-addresses
* Bug 645411 - folks-import segfaults on startup