printing revision information doesn't work

[kaazoo]

--version switch doesn't print revision:

$ watchdog --version
Build on Jan 10 2014 at 16:07:38 (Rev: )

--revision switch doesn't print SCM revision:

$ watchdog --revision
watchdog revision 

--revisions switch doesn't print component revisions:

$ watchdog --revisions
=== Revision Information ======================
    aslbase        
    asldom         
    aslmath        
    aslnet         
    aslserial      
    watchdog       
Usage: watchdog [--configfile <watchdog.xml>] [--copyright] [--help] [--no_restart] [--revision] [--revisions] [--version] WATCHDOG.XML 
Default configfile: watchdog.xml
Arguments:
   WATCHDOG.XML : XML configuration file

Type 'watchdog --help' for more information.