archlinux: Code cleanups (v2)
archlinux: Code cleanups (v2)

Cleanups:
1. Do not modify container's /etc/hosts (archlinux uses /etc/nsswitch.conf)
2. Remove duplicate lines from config
3. Print a nicer final message
4. Get rid of some grep's

Signed-off-by: Leonid Isaev <a63bdb7d57b0a831577e26bfef11b1e397703391@umail.iu.edu>
Acked-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

ojkastl/lxc_Patches,ojkastl/lxc_Patches,ojkastl/lxc_Patches,ojkastl/lxc_Patches