added provider for ubuntu to use upstart instead of init script
fixed test to determine if set node name is the same as ohai determined hostname, hostname can either be fqdn _or_ hostname.  removed set_fqdn
applied changes to make ohai reload immidiately: https://github.com/kui/chef-cookbook-hostname/commit/7e92001a7ae39607925c35767abbe3b5e61b619e
removed erroneous call to ohai[reload]
updated log to nice format
updated copyright, changed log level back to warn
updated readme to reflect most recent changes