Yubico

* Improved logging.

* Improved performance of large sync queues.

* Add export/import scripts for clients table.

* Insert default values in $sl and $timeout if they are empty.
And they will be empty if the client didn't request them.

* Add support for reconnecting to database after errors.

* Fixes for PHP warnings.

* Detect timeouts and errors in munin checks.

* Fix signature checking broken in 2.12 and for dvorak OTPs.

* Fixes for ykval-checksum-clients.php

* Fix using 'fast' or 'secure' as sync level.

* Fix database setup script to make nonce max 40 characters.

* Silence PHP warnings. Patch from Hiroki Nose.

* Include munin scripts in tarball. From Fredrik Thulin.

* Support for DESTDIR in 'make install'. From Fredrik Thulin.

* Reorder include's to allow for dbi-settings through
ykval-config.php. From Fredrik Thulin.

* Install non-bin PHP files with --mode 644 to avoid executable bit.
From Fredrik Thulin.

* Fix two remaining non-portable uses of rowCount.