Removed old authentication - added support for auth strategies.

Fixes #23 #24
Setup auth in server rather than plugin.
Allows root endpoint to be set.
Merge pull request #30 from firstandthird/bug/ttl-0

Defaults expiresIn to undefined.
updated hapi-password dev dep
Merge branch 'master' of github.com:firstandthird/hapi-dashboard into feature/auth-strat

Conflicts:
	package.json
removed unnecessary require
Merge remote-tracking branch 'origin/bug/allow-root-endpoint'
Merge branch 'master' into feature/sections

* master:
  removed unnecessary require
  updated hapi-password dev dep
  Allows root endpoint to be set.
  Setup auth in server rather than plugin.
  Removed old authentication - added support for auth strategies.

Conflicts:
	lib/handler.js
Fixed merge error.