collectors/iostat/iostat - skip over missing fields in header
lib/panoptimon/monitor.rb - log http host:port on listen

lib/panoptimon/http.rb    - added hostport()
bin/panoptimon - allow --plugin-test to load .rb
Merge pull request #34 from ewilhelm/iostat-header

collectors/iostat/iostat - skip over missing fields in header
Merge pull request #35 from ewilhelm/plugin-test-tweaks

Plugin test tweaks, make it easier to run .rb in development