Testes criados e cenários modificados.

Cenários modificados em Authentication.feature:
Login with user tha doesn` exist fail message,
Login with user's wrong password fail message

Cenários modificados em Dissertacao.feature:
new dissertation with file,
upload dissertation with file

Cenários criados em Dissertação.feature:
list existing dissertation in alphabetical order of title
list existing dissertation in alphabetical order of title web

Cenários criados em News.feature:
list news,
list news web
Merge remote-tracking branch 'origin/dev' into dev

Conflicts:
	test/cucumber/Authentication.feature
	test/cucumber/Dissertacao.feature