Criação de passos para limpar o valor do campo
Merge branch 'issue269' of ssh://git@github.com/rogernobre/behave.git
into issue269

Conflicts:
	impl/runner/webdriver/src/main/java/br/gov/frameworkdemoiselle/behave/runner/webdriver/ui/WebTextField.java
	sample/search-google/src/test/resources/stories/pesquisa-simples.story