[Container-tools] Atomic App install has been renamed to fetch

[Charlie Drage]

Hey all,

As you can see from our release email, we've renamed *install* to
*fetch* within Atomic App.

If you encounter any issues or bugs in relation to the change please
either reply to this email or open up an issue on our Github repo:
https://github.com/projectatomic/atomicapp/issues

-- 

Charlie Drage
Red Hat - OSAS Team / Project Atomic
4096R / 0x9B3B446C
http://pgp.mit.edu/pks/lookup?op=get&search=0x622CDF119B3B446C