add fix-permissions script
add cookbook_file resource
add drupal-dev group, and install drupal-perm.sh
fix issue #3 add reset functionality

adds reset functionality, To activate run `destroy=true vagrant provision`, destroys the database and
removes all contents from drupal root folder (in VM), and keeps an tar ball of all that (drush archive-dump) in
shared folder (hardcoded /vagrant/ for now)