Chirag

1. corrected the function name in readme file
2. changed the memory of compute node from 4096 to 4500 in compute_create file.

README.md

@@ -51,7 +51,7 @@ compute_stop c0
 
 If you want to get rid of the compute node VM:
 ```
-compute_destroy c0
+compute_delete c0
 ```
 
 Note, the compute scripts work directly with the VirtualBox hypervisor.  The