add advanced search button to search template

* feedback-floater:
  add dismissable "thanks for your feedback" message to top
  improve message formatting
  add dumy function as placeholder for where we add info messages
  return better messages
  add successful post call and export to JSON db
  update todo
  move modal into its own .html file
  update todo with tasks
  fix button and smiley styles
  add /feedback post route
  feedback button successfully triggers a modal
  add page self-identifiers. add "send feedback" button. fix layouts.

templates/search.html

@@ -10,12 +10,15 @@
                 <form action="{{ url_for('search') }}" name="search">
                     <p><input type="text" name="query" value="{{ query }}">
                     </p>
-                    <p><button id="the-big-one" type="submit" style="font-size: 20px; padding: 10px; padding-left: 50px; padding-right: 50px;" 
+                    <p><button id="the-big-one" type="submit" 
+                        style="font-size: 20px; padding: 10px; padding-left: 50px; padding-right: 50px;" 
                         value="search" class="btn btn-primary">Search</button>
                     </p>
 
+                    <p><a href="#" onClick="advanced_search()">[Advanced Search]</a>
+
                     {% if parsed_query %}
-                        <p><a href="{{ url_for('search')}}?query=&fields=">[clear all results]</a>
+                        <p><a href="{{ url_for('search')}}?query=&fields=">[Clear All Results]</a>
                     {% endif %}
 
                     </p>
@@ -25,6 +28,8 @@
     </div>
 </div>
 
+<div style="height: 20px;"><p>&nbsp;</p></div>
+
 <div id="info-bars-container" class="container">
     <div class="row">