improved ami run: -n (VM name) is not mandatory if -H (hostname) is given - a variable can be varname=v1=v2, value while be v1=v2
improved ami run:
-n (VM name) is not mandatory if -H (hostname) is given
- a variable can be varname=v1=v2, value while be v1=v2

fbacchella/oscmd,fbacchella/oscmd