Update arm-5 - facter structured data

- describe competing proposals for implementing accessors from
  puppet / erb
- add url to kbarber's code
- update metadata: version bump, link to redmine, link to kbarber
Merge pull request #11 from ahpook/master

Updates to arm-5: structured data for facter
GFM is supposed to support code in lists...

Maybe my indentations aren't indented enough.
Remove list formatting for Alternatives
Separate sections for alternatives
Merge branch 'master' of ssh://git@github.com/puppetlabs/armatures.git