Enabled auto user creation and special admin login page

### Admin stuff

First, create and access token
`export SIMPLECMS_ADMIN_TOKEN="some_random_token_generated"`

Login admin through
`URL/adminlogin?access_token=<your_token>`

Create admin user from rails console

### User

User will be created upon visiting any valid URL without access token, check the code on how users are named / numbered.


```ruby
before_action :read_remember_token, :only => :new

def read_remember_token
  if current_user = Session.get_user(params[:remember_token])
    sign_in current_user
  end
end
```