cleaned language select drop down

Author: mavlevin

FileMap.html

@@ -71,7 +71,7 @@ <h1 id="Blur">Source Code Visualizer</h1>
         <p>{{.DisplayTitle}}</p>
         <form action="/display" method="post">
             <input id="scanPath" type="text" name="scanPath" placeholder="Source Code Directory">
-            <select id="wantedExts" name="wantedExts">
+            <select id="langSelect" name="wantedExts">
                 <option value="*">All Files</option>
                 <option value=".c .cpp .h .hpp .cc .cxx">C/C++</option>
                 <option value=".py">Python</option>