Fixes some selenium tests failing on "Follow" step
Selenium click_link() method sometimes fail on recognizing the correct element, when the element is inside a div. The solution was to execute a script that explicity clicks the element.
BUILD: https://travis-ci.org/tallysmartins/noosfero/builds/105818941
This MR fixes the failing tests on: features/categories_block.feature and features/edit_article.feature