Refactored register_lsb_or_content to allow for 2 regexps to fold in redhat.
Refactored register_lsb_or_content to allow for 2 regexps to fold in redhat.

  154.00: flay total
   719.6: flog total
    45.0: flog/method average

Signed-off-by: Ryan Davis <f3417dae5443a381b6f3c0abee902614d44fe9d3@chef.io>

chef/train,chef/train