logstash: single large commit, initial states
logstash: include htpasswd auth state, hardcoded and not ninja awesome
add basic README.rst
basestack >>> base.webstack and create base.init from clone
t431: add base state for postgres. pkg + service + psycopg2
t431: add apache vhost + template for local_settings.py, taken from ReviewBoard. templated to insert a few details from pillar, eg db settings and vhost
t431: add state for reviewboard, sets up a default install, assumes memcached and postgres