Simple guide to install Apache Solr 3.x for Drupal 7

A quick and simple guide to get Drupal 7 and Apache Solr version 3.5 or higher running on your local development machine! For the ones that have been resistant in trying out Apache Solr, this is your chance. If you are running an OSX or Unix machine you could be running Apache Solr in under 5 minutes!
Follow these simple steps and you will become a Solr Master very soon!