added common links to host show page and pagination

added links to all facts and switched to url helpers

reduce puppet classses per page

added google_visualr and converted dashboard and hosts graphs

family id can not be forced at this time, as it breaks many fact import operatings, fixing broken tests

fixes #208 - use nested_attributes for lookup parameters

Fixes #177 - Family concept

It will_paginate and handle searches
Added family support to Operatingsystem
More work will be needed to add family support to host manipulation.

removing show action from arch page too

refs #203, error on zero size array

fixes #181 - External node import prints 'nil' instead of 'class foo missing'