Added Search metadata:

```
Enter KeyID (oxdeadbeef), Name (John Doe), Email (johndoe@example.com)
```

Signed-off-by: Corey 'linuxmodder' Sheldon <linux-modder@@users.noreply.github.com>

index.html

@@ -31,7 +31,7 @@
             <h1 class="text-center"><strong>GMU </strong>Key Server</h1>
 	    <link rel="icon" href="img/favicon.ico" type="image/x-icon"/>
 	    <h4 class="modal-title" id="myModalLabel">Search for a PGP Key</h4>
-	    <label class="control-label" for="textarea">Enter KeyID in 0xDEADBEEF format:</label>
+	    <label class="control-label" for="textarea">Enter KeyID (0xdeadbeef), Name (John Doe), email (johndoe@example.com) :</label>
 	  </div>
         </div>
       </div>