make able to add blocks
add value into configus, make link
add twitter link
make via helper
Merge branch 'feature/socials' into develop

* feature/socials:
  make via helper
  add twitter link
  add value into configus, make link
  make able to add blocks

Conflicts:
	app/helpers/application_helper.rb
	app/views/layouts/web/shared/_sidebar.html.haml