fixes 162 - Certificate will not be removed when FQDN has uppercase letters

added basic pagination

lates plugin update broke many things, reveting to a safe version for now

fixes #154 - audit log does not store user information

switches global setting var to be a constant var - refs #100

Fixes #111 - GW::puppetca#clean now logs an error and fails when there in no CA

Fixes #74. Logger messaging works in the proxy module

A logger method was introduced as well as a mechanism for logging if this
code is run as a standalone cgi service

added active_scaffold_list_filter plugin

fixes #74 - tftp and puppet ca errors are not shown in the log file

added some basic error handling