Fixed overlapping footer in 500 error page (autolab#1374)

* deleted footer id to remove overlap styling

* added questions or problems? section to 404 page

* removed .rb-e and .rb.bak files that got generated

* reverted schema.rb file

* removed .bundle/config, pulled in changes frommaster

* new bundle install with changes from master:

* removed Gemfile.lock

* ran with bundle install

* reverted to old Gemfile.lock

* changed bundled with version

app/views/home/error.html.erb

@@ -32,7 +32,7 @@
   </p>
 <% end %>
 
-<div id="footer">
+<div>
   <a href="/"><%= Rails.configuration.school['school_short_name'] %> Autolab</a>
   <p>Questions or problems? Please <a href="/contact">contact us</a>.</p>
-</div>
+</div>

app/views/home/error_404.html.erb

@@ -30,4 +30,9 @@
     <h3>Stack Dump</h3>
     <pre><%= processStackDump(@error.backtrace).join("<br>").html_safe %></pre>
   </p>
-<% end %>
+<% end %>
+
+<div>
+  <a href="/"><%= Rails.configuration.school['school_short_name'] %> Autolab</a>
+  <p>Questions or problems? Please <a href="/contact">contact us</a>.</p>
+</div>