(maint) vagrant hypervisor support broken by bad call to hack_etc_hosts

- nertz
Merge pull request #195 from anodelman/vagrant-etc-hosts

(maint) vagrant hypervisor support broken by bad call to hack_etc_hosts
create beaker 1.9.1 gem

- fix vagrant support
Merge pull request #196 from anodelman/make-gem

create beaker 1.9.1 gem
Merge branch 'docker' of github.com:richardc/beaker into docker_test

Conflicts:
	beaker.gemspec
	lib/beaker/hypervisor.rb
	lib/beaker/network_manager.rb
	lib/beaker/utils/setup_helper.rb