added gemfile to note vagrant-hostmaster, which manages vagrant dns
added knife configure script... getting ambiguously lame error:

ERROR: Connection refused connecting to chefserver.vm:4000 for /users, retry 1/5
...
ERROR: Connection refused connecting to chefserver.vm:4000 for /users, retry 5/5
ERROR: Network Error: Connection refused - Connection refused connecting to chefserver.vm:4000 for /users, "giving up"
added hostname, notes