Log Message:
Version 2.12 (released 2013-10-18)

* Use pkg-config to find curl, instead of libcurl.m4.
* ykclient: Added --cai parameter to specify GnuTLS-compatible CA Info.
* libykclient: Added ykclient_set_ca_info function.
  Used when curl is linked with GnuTLS, used to set CA Info.
* libykclient: Added ykclient_set_url_bases function.
  Uses a more reasonable/extensible URL string syntax.  The old
  ykclient_set_url_templates is hereby deprecated.
* Added shared library versioning script.
* Valgrind is used for selftests.