Requirement:
 - httpd: Apache 2 web server
 - idzebra: IndexData Zebra Z39.50 server
 - yaz, libyaz
 - mysql, mysql-server: MySQL client and server
 - Perl-5.8.0
 - Perl modules:
   + perl-DBI           => DBI                     
   + perl-Bit-Vector    => Bit::Vector             
   + perl-Date-Calc     => Date::Calc              
   + perl-Digest-SHA    => Digest::SHA             
   + perl-HTML-Template => HTML::Template (dag)    
   + perl-MARC-Charset  => MARC::Charset           
   + perl-MARC-Record   => MARC::Record            
   + perl-MARC-XML      => MARC::XML               
   + perl-Net-Z3950     => Net::Z3950 (needs Event)
   + perl-PDF-API2      => PDF::API2               
   + perl-PDF-Create    => PDF::Create             
   + perl-Text-CSV      => Text::CSV (dag)         
   + perl-Time-HiRes    => Time::HiRes             
   See http://iapetus.scoolaid.net/ctho/centos-4/README for instructions to 
   setup up2date/yum.
 - Bar code fonts: included in $OPALS/font/barcode/.
   For more information, see $OPALS/install/barcode/readme.

 - Removed modules:
   + perl-Constant      => Constant                
   + perl-Mail-Sendmail => Mail::Sendmail (dag)    
     replaced by perl-MIME-Lite