url changes
added place for errors, also was missing field names from jobtitles,
departments, and manager
added error class
more url changes
added validation to manager field, person cannot manage themselves,
finished update script
changed visibilities from default to private
implemented logic for updating employee in service, cannot manage self,
appropriately shapes object for query if manager is null
more visibility changes
udpate employee now working in default controller. should migrate these
to their own controllers soon