Add information that the usual sudo group on Fedora/Red Hat systems is
named 'wheel'.
Generalize instructions to make them distribution-agnostic.
Add step on adding yourself to the administrator group.

Hostmanager can only deal with one provider at a time.

If you `vagrant up` a virtualbox vm, then an aws, all information
of your virtulabox vm will be removed from /etc/hosts on the host.

By adding the provider type in the header/footer of the hostmanager
section of /etc/hosts, we can have one section per provider and
thus keep all machines, no matter the provider.

Hostmanager can only deal with one provider at a time.

If you `vagrant up` a virtualbox vm, then an aws, all information
of your virtulabox vm will be removed from /etc/hosts on the host.

By adding the provider type in the header/footer of the hostmanager
section of /etc/hosts, we can have one section per provider and
thus keep all machines, no matter the provider.

…-sudo

Improve README.md for Passwordless sudo.

…permissions-on-etc-hosts

Ensure permissions on /etc/hosts stay intact

…nage-guest-flag

Fix for issue devopsgroup-io#108, add a flag to manage guest hosts file.

…tion

make separating aliases into multiple lines optional
Conflicts:
	test/Vagrantfile