minor styling and fixes

app/models/room.rb

@@ -64,10 +64,6 @@ class Room < ApplicationRecord
     options[:user_is_moderator] ||= false
     options[:meeting_recorded] ||= false
 
-    #options[:wait_for_moderator] ||= false
-    #options[:meeting_name] ||= name
-    #options[:room_owner] ||= nil
-
     return call_invalid_res if !bbb
 
     # Get the meeting info.

app/views/main/index.html.erb

@@ -1,7 +1,7 @@
 <div class="background landing-section">
   <div class="d-flex align-items-center" style="height: 100%;">
     <div class="container text-center">
-      <h1 id="main-text" class="font-weight-400 responsive-header">Welcome to BigBlueButton.</h1>
+      <h1 id="main-text" class="font-weight-400 responsive-header">Welcome to Greenlight.</h1>
       <h4 class="text-muted">A simple front end for your BigBlueButton Open Source Web Conferencing Server.</h4>
 
       <%= link_to "https://www.youtube.com/watch?v=yGX3JCv7OVM&feature=youtu.be", class: "p-3", target: "_blank" do %>

app/views/shared/_room_event.html.erb

@@ -10,7 +10,7 @@
 
     <div class="row">
       <div class="col-lg-6 col-md-8 col-sm-12 form-inline mb-5 align-top">
-        <% if @room.owner.image.nil? %>
+        <% if @room.owner.image.blank? %>
           <span class="avatar"><%= @room.owner.name.first %></span>
         <% else %>
           <span class="avatar" style="background-image: url(<%= @room.owner.image %>)"></span>