Fix mailer warnings

app/controllers/feedback_controller.rb

@@ -5,7 +5,7 @@ class FeedbackController < ApplicationController
 
   def create
     if params[:message].present?
-      Mailer.feedback(current_user, params[:message]).deliver
+      Mailer.feedback(current_user, params[:message]).deliver_now
       redirect_to root_url, notice: t('feedback.create.notice')
     else
       render :action => 'new'

app/controllers/invites_controller.rb

@@ -10,7 +10,7 @@ class InvitesController < ApplicationController
     authenticate_membership_or_admin params[:invite][:group_id]
     @invite = Invite.new(params[:invite])
     if @invite.save
-      Mailer.invite(@invite).deliver
+      Mailer.invite(@invite).deliver_now
 
       respond_to do |format|
         format.html do

app/controllers/login_controller.rb

@@ -18,7 +18,7 @@ class LoginController < ApplicationController
       user.reset_password_token = user.new_random_password(16)
       user.reset_password_expires = Time.now.advance(:days => 2)
       if user.save
-        Mailer.reset_password(user).deliver
+        Mailer.reset_password(user).deliver_now
         logger.debug("Sent password reset email to #{user.email}.")
       end
     end