added /_nodes to nginx and apache reverse proxying ....

to address https://github.com/lusis/chef-kibana/pull/28

also changed default git address to https: rather than git:  I've seen git protocol cause issues behind corp firewall

also updated test suit to include elasticsearch and a searchable log so that we're closer to an end-to-end test.
Merge branch 'master' of github.com:lusis/chef-kibana
fix temp box change in Vagrantfile