update pyloxi to floodlight/loxigen-artifacts @ b44eb26cc919f8bd61d0da059163a1a7dce088de

Pulls in OF 1.4.
diff --git a/src/python/loxi/of11/const.py b/src/python/loxi/of11/const.py
index 813c277..eb469fc 100644
--- a/src/python/loxi/of11/const.py
+++ b/src/python/loxi/of11/const.py
@@ -28,10 +28,10 @@
 OFPQ_ALL = 4294967295
 OFPQ_MIN_RATE_UNCFG = 65535
 
-# Identifiers from group of_bsn_pdu_slot_num_t
+# Identifiers from group of_bsn_pdu_slot_num
 BSN_PDU_SLOT_NUM_ANY = 255
 
-of_bsn_pdu_slot_num_t_map = {
+of_bsn_pdu_slot_num_map = {
     255: 'BSN_PDU_SLOT_NUM_ANY',
 }