Re-enable turnip specs
Add .rspec file so Travis uses Turnip when executing .feature files
Use eagletmt’s branch of turnip
Update deadweight gem
Merge remote-tracking branch 'origin/master' into features/headhunter

Conflicts:
	Gemfile.lock
Remove comment
Add capybara to development group (needs to be there to make Cells gem work properly, see https://github.com/apotonick/rspec-cells/issues/34#issuecomment-33462198)
Update turnip gem
Use local headhunter gem
Enforce available locales to prevent deprecation warning
Add css-validator.jar