added sample for registering a layer

samples/_register_maplayer_as_item.py

@@ -0,0 +1,30 @@
+
+"""
+   Updating a feature layer, OBJECTID must
+   be included in the features.
+
+"""
+import json
+
+from arcrest.agol import admin
+
+if __name__ == "__main__":
+    try:
+        agol = admin.AGOL(username='',password='')
+        inparams = {"url":"http://IPADDRESS/arcgis/rest/services/Sanitary_Sewer_Infrastructure/Sanitary_Sewer_Network/MapServer/6"}
+
+        res = agol.addItem(name="TestForMark", 
+                     tags="Test", 
+                     description="Test", 
+                     snippet="test", 
+                     data=None, 
+                     extent="-88.1799,41.7718,-88.1353,41.7823", 
+                     item_type="Feature Service",
+                     folder=None,
+                     inparams=inparams,
+                     typeKeywords=["Data", "Service", "Feature Service", "ArcGIS Server", "Feature Access"]
+                    )
+
+        print res 
+    except ValueError, e:
+        print e