added new font-awesome / start with the creation of new search input
fixxed all header in all routes
fixxed all tests and templates
added hide footer
Merged 'dev'.

Conflicts:
	app/routes/contacts/contacts.html
	app/routes/settings/settings.html
	app/routes/talks/talks.html
	test/e2e/friendrequests.spec.js
Finish header-refactor