running on ubuntu 12 does not install agent correctly as the package name is defined wrong

[micah-uber]

The actual package name is check-mk-agent not check_mk-agent in ubuntu 12.04

apt-cache search check_mk
check-mk-agent - general purpose nagios-plugin for retrieving data
check-mk-agent-logwatch - general purpose nagios-plugin for retrieving data
check-mk-config-icinga - general purpose nagios-plugin for retrieving data
check-mk-config-nagios3 - general purpose nagios-plugin for retrieving data
check-mk-doc - general purpose nagios-plugin for retrieving data (documentation)
check-mk-livestatus - general purpose nagios-plugin for retrieving data
check-mk-multisite - general purpose nagios-plugin for retrieving data
check-mk-server - general purpose nagios-plugin for retrieving data
libmonitoring-livestatus-perl - Perl API for check_mk livestatus to access runtime
nagstamon - Nagios status monitor which takes place in systray or on desktop