closes #967
Update README.md
Expose `plugin.hapi` as `pack.hapi`.
Ensure that the `cookie` scheme cannot be registered multiple times per pack.
Terminology.
Update README.md, switch nodei.co to https
Merge pull request #970 from wpreul/master

Removing complexity-report
Merge pull request #969 from rvagg/patch-1

Update README.md, switch nodei.co to https
Merge pull request #968 from kitcambridge/pack-changes

Changes to `plugin.hapi` and the `cookie` scheme
closes #971
Merge branch 'master' of github.com:spumko/hapi