Release 1.6.3

Patch 3 for Release 1.6

python/s2snow/snow_product_parser.py

@@ -115,11 +115,15 @@ class snow_product:
             if sub_file.upper().endswith("_SNW_R2.TIF"):
                 self.is_extracted = True
                 self.snow_mask = op.join(absoluteFilename, sub_file)
+            if sub_file.upper().endswith("_SNW_XS.TIF"):
+                self.is_extracted = True
+                self.snow_mask = op.join(absoluteFilename, sub_file)
             if sub_file.upper() == "LIS_PRODUCTS":
                 self.is_extracted = True
                 self.extracted_product = op.join(absoluteFilename, sub_file)
                 self.snow_mask = op.join(self.extracted_product, "LIS_SEB.TIF")
 
+
         self.metadata_file = op.join(absoluteFilename,
                                      self.product_name + "_MTD_ALL.xml")