baseimage: Install software-properties-common
addons/redis: Install latest redis from ppa
buildpacks/golang: Grab project name from git configs if nothing else works

Closes [GH-40]
baseimage: Reload env vars if needed on a hack session
baseimage: Skip `/workspace` dir creation and fix GH-43
docs: Initial introduction and getting started
Moar docs
A bit more docs
Update introduction.md
Update getting-started.md
Update project status
More work on docs
Add link to docker issues / PRs related to user namespaces
docs: Note that Im testing it on Docker 1.0.1+
docs: A couple tweaks to the home page
Update README
docs: Mention `rake db:create db:migrate` on discourse example so that I dont forget it when recording the video
Puma default port is 9292
docs: `--standalone` is not a real flag
docs: Sidekiq changed `rake spec` to `rake test`