Increase poltergeist timeout to see if it passes travis build

Author: oponder

spec/spec_helper.rb

@@ -14,6 +14,11 @@
 require 'capybara/rails'
 require 'capybara/rspec'
 require 'capybara/poltergeist'
+
+Capybara.register_driver :poltergeist do |app|
+  Capybara::Poltergeist::Driver.new(app, {:timeout => 60})
+end
+
 Capybara.javascript_driver = :poltergeist
 
 require 'faye'