Adds rspec-rails gem for testing #266.
Installs rspec #266.
Adds capybara to spec_helper.rb #266.
Adds factory girl gem for tests #266.
Creates initial factories for supervisors and children #266.
Adds capybara, factory girl and rspec gems for tests #321.

Conflicts:
	kidzen/Gemfile
Fixes syntax error in poll model in order to pass #321.
Removes deprecated locale buttons from application layout #321.
Adds test enviroment #321.
Adds test cases for supervisor and child signup #321.

Conflicts:
	kidzen/spec/spec_helper.rb
Names children signup path #321.
Names supervisors signup path #266.
Sets up test enviroment #266.
Creates scenario stubs #266.
Adds banned value to RegisteredUser factories and documents factories #266.
Includes FactoryGirl and AuthenticationHelper module in rspec config #266.
Creates AuthenticationHelper module for feature tests #266.
Names parent profile route #266.
Changes update_attribute to update_attributes in SessionsHelper #383.
Adds tests for parent login #383