* Fix handling of Self-Signed SSL/TLS Certificates when using the NSS plugin
* Improve default cipher suites used with the NSS plugin
* Add NSS Preferences plugin which allows the SSL/TLS Versions and cipher suites to be configured
* Fix a bug that prevented plugin to load when compiled without GnuTLS.
* Fix build for platforms without AF_LOCAL definition.
* Fix broken login due to server change (dx, TReKiE).
* Fail early when buddy list is unavailable instead of wasting bandwidth endlessly re-trying.