Added "dia" files
Added diagrams
Added deployment diagram
Updated title
Do not ignore generate png files
Added png images
Renamed directory "dia" to "images"
Initialized Rakefile to generate images
Using host names in hiera files name
Forces apt-get update during first provisioning
Using ldap server hostname in config
Now using params class
Re-introduced preseed file to avoid default LDAP directory to be created
Added project description