Displays form for user login \ register \ reset password.
auth_item=login-buttons or reset-form, or buyer-register-buttons, or buyer-register-form, or login-form, or agent-register-buttons (PRO) or agent-register-form (PRO).
enable_facebook=0 (or =1). Show facebook auth button. Facebook API credentials are required.
enable_google=0 (or =1). Show google auth button. Google API credentials are required.
enable_login_form=0 (or =1). Set 0 for disable login form.
login_title - Login form title
login_subtitle - Login form subtitle.
enable_buyers_register - enable buyers register form.
buyer_register_title - Buyer register form title.
buyer_register_subtitle - Buyer register form subtitle.
enable_agents_register (PRO) - Set 0 for disable agents register form.
agent_register_title (PRO) - Agent register form title.
agent_register_subtitle (PRO) - Agent register form subtitle.
