Add flash display support
Add BetaInvite to collect e-mails for later use

BetaInvite also has some extra fields for future expandability:

* invite_token - starts out null and is filled in when an invite is sent
to the user that requested it
* user_id      - starts out null and is filled in when an invited user
creates an account (so we know they accepted)
Updating to Rails 4.0.1
Added Sidekiq (via gem) support
Merge pull request #2 from drewblas/add_beta_invite_form

Add beta invite form [WIP:36]
Merge pull request #8 from maqen/sidekiq

Added Sidekiq (via gem) support
Ignore database.yml but copy it over for Travis.
Merge pull request #7 from DanCheail/update-rails

Updating to Rails 4.0.1
Add testing framework gems
Test framework configuraiton
convert existing tests, add empty factories for existing models
update existing controller tests
Add missing "minitest-rails-capybara" gem
Don't default to colourful output for tests
Bring tests back in line.