Dynamic control management

servers/slapd/back-bdb/search.c

servers/slapd/bind.c

servers/slapd/connection.c

servers/slapd/controls.c

servers/slapd/delete.c

servers/slapd/extended.c

servers/slapd/limits.c

servers/slapd/modrdn.c

servers/slapd/operation.c

servers/slapd/overlays/Makefile.in

servers/slapd/overlays/ppolicy.c

servers/slapd/proto-slap.h

servers/slapd/search.c

servers/slapd/slap.h

servers/slapd/slapi/slapi_utils.c

servers/slapd/syncrepl.c