selenium to poltergeist

Comparison
===========

Selenium
--------

```ruby
appraisal rspec                                                         

best_in_place/gemfiles/rails_3.2.gemfile bundle exec rspec
Finished in 44.16 seconds (files took 1.26 seconds to load)
146 examples, 0 failures

best_in_place/gemfiles/rails_4.0.gemfile bundle exec rspec
Finished in 44.12 seconds (files took 1.23 seconds to load)
146 examples, 0 failures

best_in_place/gemfiles/rails_4.1.gemfile bundle exec rspec
Finished in 43.44 seconds (files took 1.4 seconds to load)
146 examples, 0 failures

best_in_place/gemfiles/rails_edge.gemfile bundle exec rspec
Finished in 44.08 seconds (files took 1.35 seconds to load)
146 examples, 0 failures
```

Poltergeist
---------

```ruby
appraisal rspec                                                         

best_in_place/gemfiles/rails_3.2.gemfile bundle exec rspec
Finished in 18.88 seconds (files took 1.48 seconds to load)
146 examples, 0 failures

best_in_place/gemfiles/rails_4.0.gemfile bundle exec rspec
Finished in 18.17 seconds (files took 1.55 seconds to load)
146 examples, 0 failures

best_in_place/gemfiles/rails_4.1.gemfile bundle exec rspec
Finished in 18.86 seconds (files took 1.28 seconds to load)
146 examples, 0 failures

best_in_place/gemfiles/rails_edge.gemfile bundle exec rspec
Finished in 19.06 seconds (files took 1.69 seconds to load)
146 examples, 0 failures
```