Makefile: use perlbrew built-in install-cpanm

The Travis-CI code should use the installation code provided
by perlbrew rather than grabbing cpanm directly with curl.
add ogflow.pl
Initial work on Enrollment workflow

- Grab enrollment workflow from customer repo
- Rework make files for ogflow.pl
Add classes to enroll wf test
Change class for 'load recent certificates'
Update enrollment wf xml