Fixes #284 - Use MAC address if IP doesn't exist when tftp booting

• Uses any of the assoicated mac addresses (RH only) prior to IP
• Adds a new settings to not update mac or ip information to Foreman - used for cases
  where DHCP booting is done via a temporary dhcp range

Added support for Debian-based distributions for automatically populating TFTP directory.

Fixes #178 and Fixes #24 - Automate populating the TFTP directory

This implementation is only for the Red Hat family, other OS's should follow
It implements a way to query foreman and gets the required boot files (i.e. kernel and initrd) files
from a predefine media over JSON....

fixes #345 - unable to save associated operatingsystems

Fixes #260 - Switch to using STI for OS families

fixes #238 - Set Content-Type HTTP header when rendering nattended install scripts

fixes #255 Search for MAC addresses from all X-RHN-Provisioning-MAC headers, not just eth0

fixes #237 - installing puppet from epel breaks if base image is not 5.3 or 4.9 release

fixes #235 - Small refactoring of the media handling for operating system families: * Use URI class for any URI related operations * Added substitution for $version, $major and $minor in media path * Force use of http(s)|ftp|nfs URI schema: NFS shares have now to be entered in URI form: nfs://server/path/.../ instead of server:/path/.../

fixes #197 - Allow site local views of unattended installation

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.

Fixes #176 - Dynamic disk layouts are supported

A disk layout that contains the string "#Dynamic" causes the partition
table entry to be written out as a script and executed as a %pre operation.
It is expected that the script leaves its results, a partition table, in...

fixes #169 - Fix typo in unattended controller

fixes 163 - clean certificate only when a new build request starts

fixes #117 - Add SSL redirection

fix spelling mistakes, comments etc - minor refactor

no need to enable autosign for the post install scripts

Unattended Installation works again, fixed many small debian issues

removed helper from all controllers by default, this can conflict with AS
when having multiple fields with the same name.. e.g. name

show installation file in spoof mode

added allowed_to_install and handle_ca before filters, breaks done the scope of each method

added fqdn variable

added a build action, this triggers all required actions (e.g. PuppetCA, DNS Tftp etc

basic work to get Solaris SPARC jumpstart support

added partition table model, this allows to have standard partition tables for new hosts, or a customized ones per host if required

added media path validaiton to be either NFS or url

fix the relationship between a host and a media (must be though an OS), added some helpers to auto parse the install path (e.g. NFS or URL) etc

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

working kickstart integertaion, WIP

added basic observers setup, added default values for hosts, minor cleanup

added basic unattended controller