Upgrade nagios to 2.0.b2.
WARNING: This version removes MySQL and PostgreSQL support. A note should be
added to /usr/ports/UPDATING, for example:
AFFECTS: users of net-mgmt/nagios
Nagios has been upgraded to 2.0.b2. Native support for storing various types
of data (status, retention, comment, downtime, etc.) in MySQL and PostgreSQL has
been dropped. There are also multiple changes to the format of configuration
files. Carefully read http://nagios.sourceforge.net/docs/2_0/whatsnew.html