* Fix a bug with the 'urllist' parameter where urls would be forgotten.
* Manpages converted to asciidoc.
Version 2.16 (released 2014-06-10)
* Fix a crashbug with the new parameter 'urllist'
Version 2.15 (released 2014-04-30)
* Added new parameter 'urllist'
* Added pam_yubico(8) man page.
* Fix memory leak.
* Bump yubico-c-client version requirement to 2.12.
* Don't install internal header files.
* Don't print debug info when the "debug" parameter is not given.
* Use PBKDF2 to process expected reply for challenge-response mode.
* Fixup memory leaks and leaks of privilege.
* Let return values reflect whether the user wasn't found or other error.