Fedora Rawhide: dnf became default package manager
Fedora Rawhide: install dhcp-client

Because dhclient is renamed to dhcp-client but comps doesn't follow that
change yet.
Bundle update
Fedora 19: add `biosdevname=0' to kernel parameters
Mount VirtualBox Guest Additions ISO in read-only mode
Arch Linux: update to 2014.10.01 ISO
Debian: update 6.0.9 to 6.0.10
Debian: update 7.5.0 to 7.6.0
Ubuntu: update 14.04 to 14.04.1
Ubuntu: update 12.04.4 to 12.04.5