added a new post it graphic without edges and added a new background version that offers better color but is darker
updated bdd tests with changes to clicking links and looking for them
merging bdd test updates into the integration branch

Conflicts:
	features/bootstrap/FeatureContext.php
	views/base.twig
	views/index.html
	web/css/style.css
	web/js/post-note.js
added alt tag to anchor links to make tests past