* Fix follow/unfollow buttons on public profile
- Present non-logged users with web+mastodon:// URLs for remote accounts
- Present logged-in users with appropriate links (authorize_follows and
remote_unfollows) for remote accounts
* Do not cache rendered cards if user is logged in
* Add routing specs for accounts followers and following actions
* Use more restful route naming for public account follow pages
Moves two actions:
- accounts#followers to accounts/follower_accounts#index
- accounts#following to accounts/following_accounts#index
Adds routing spec to ensure prior URLs are preserved.