Refs #3809 - Stabby lambda syntax for oneliners

I started by spotting log.rb which didn't have a lambda wrapping its
default scope, as needed by Rails 4. Since the style guide and most
Rails 4 documents used the stabby lambda, I turned on the cop so that we...

Refs #3809 - Remove semicolon cop

Refs #3809 - Remove cops for empty lines

Fixes #6710 - unicode characters in url parameters

Original methods to_param defined on resources called name.parameterize
to get rid of url-unsafe characters. This function unfortunately also
stripped off unicode characters.

Changes:
- parameterization extracted into a separate module Parameterizable...

Fixes #5139 - leftovers subscribe_to_all_hostgroups

Remove user_xxx unnecessary tables and notices

Update subhostgroups removed

Fixes for migration of foreign keys

Remove users from compute_resource fixture

Remove table notices after fk are removed for pg/mysql

Refs #3809 - Remove rubocop TODOs

Removed the following TODOs so that cops for these will run from now on:

Lint/AmbiguousOperator, DefEndAlignment, DeprecatedClassMethods
EnsureReturn, RequireParentheses, Void, BlockAlignment, EndAlignment,
UselessAccessModifier,...

fixes #6636, #6657, #6694 - add field length validations, extend audit field length

fixes #3339 - nested fact support, allow fact importers to be registered by plugins

fixes #2741 - rails 3 syntax

fixes #2801 - remove LOWER in default_scope of models that could cause PG error

fixes #2509, fixes #2507: few issues around Host::Base#merge_facts and fact names

fixes #2421 added missing has_many :hostgroups and missing :dependent => destroy

fixes #2254 - Add STI to hosts table

Signed-off-by: Joseph Mitchell Magen <jmagen@redhat.com>
Signed-off-by: Ohad Levy <ohadlevy@gmail.com>

updated migrations to use puppet Rails function of creating the db schema, adjusted what ever it took to get the first Fedora 11 client installed with our kickstart

added facts controllers

added fact models, aligned db schema with puppet schema, removed unneeded columns