reworked search_ldap to use parameters from secrets.yml
reworked search_ldap to use parameters from secrets.yml

YaleSTC/reservations,Amalanag/reservations,YaleSTC/reservations,YaleOutdoors/reservations,YaleOutdoors/reservations,YaleOutdoors/reservations,Amalanag/reservations,Amalanag/reservations,YaleSTC/reservations