Update code documentation and variables

Change-Id: I40a3dcfcca6be63b6ea44f935bb631948273dd82
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/bin/generate_inventory b/bin/generate_inventory
index 2fe98f4..77c8f70 100755
--- a/bin/generate_inventory
+++ b/bin/generate_inventory
@@ -90,7 +90,7 @@
 
 # Check if there is mismatch in data vs expect list
 if len(inventory_dict) != len(inventory_items):
-    print_error("The generated list doesn't match Master Inventory List.\n")
+    print_error("The generated list doesn't match Inventory List.\n")
     print (data)
     print_var(inventory_items)
     sys.exit()