add pagination to pluginproperties, auproperties, contentowners
Merge pull request #25 from ubermichael/pagination

add pagination to pluginproperties, auproperties, contentowners
starting on the logging.
get most of the crudish stuff happening.
Export log entries command.
logging service now up and running.
detatch log entries from user accounts. Not all entries will have a user, and some are
computed from environment variables (like in commands). So they're strings now.
Example logging.
prepping for logging in sword.
Change the activity log service to take a string and an array of options. Provide defaults for the options.
Make localhost a trusted proxy, so that it getClientIp() works.
Add ip address as a field in logentry
add user as a field in log entry. It isn't a ref to the Users entity, because it may be shell/console user names.