Move enrollments index to home.
Merge pull request #88 from bgrayless/move_enrollments_index_to_home

Move enrollments index to home.
Moved signup welcome to display on info pages.
Fixed to sign up welcome to hide when no user.
Fixed rubocop offenses.
Fixed top banner layout. Removed unused stuff.
Fix rubocop offense.
Merge pull request #89 from bgrayless/sign_up_message_to_info_pages

Sign up message to info pages