integration: running server via capybara
integration: moved application spec
rakefile: split testing into two suites

* `rake test` - runs unit tests

* `rake spec` - runs integration tests
integration: added integration database configuration
integration: allowed RAILS_ENV to be overridden in spec_helper
integration: overriding RAILS_ENV in spec_helper_integration

* disabled for now

* problems with before filters because of a different environment …
integration: linking img folder for integration tests

- allows the rails server to serve the single-page index.html
integration: added integration environment
integration: added basic test for signing up and logging in

* still need to add a few things, see comments
redis: added redis to procfile. no conf yet