Install python workbook to well-known location

This removes the need to pass the system configuration
to all the scripts.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/pyinventorymgr/inventory_items.py b/pyinventorymgr/inventory_items.py
index 5e53293..772fb3e 100644
--- a/pyinventorymgr/inventory_items.py
+++ b/pyinventorymgr/inventory_items.py
@@ -10,12 +10,7 @@
 import json
 import obmc.dbuslib.propertycacher as PropertyCacher
 from obmc.dbuslib.bindings import get_dbus, DbusProperties, DbusObjectManager
-
-if (len(sys.argv) < 2):
-	print "Usage:  inventory_items.py [system name]"
-	exit(1)
-System = __import__(sys.argv[1])
-
+import obmc_system_config as System
 
 INTF_NAME = 'org.openbmc.InventoryItem'
 DBUS_NAME = 'org.openbmc.Inventory'