Updated fmpeg path on windows, took out the 'Optional' from the Path to Encoder on config page just to avoid some confusion

data/interfaces/default/config.html

@@ -546,7 +546,7 @@
 				    </div>
 			    </div>
 				    <div class="row">
-    					    <label>Path to Encoder (Optional)</label>
+    					    <label>Path to Encoder</label>
     					    <input type="text" name="encoderfolder" value="${config['encoderfolder']}" size="43">
     					</div>
 				</td>

headphones/music_encoder.py

@@ -98,7 +98,7 @@ def encode(albumPath):
                 encoder="lame"
         elif headphones.ENCODER =='ffmpeg':
             if headphones.SYS_PLATFORM == "win32":
-                encoder = "C:/Program Files/ffmpeg/ffmpeg.exe"
+                encoder = "C:/Program Files/ffmpeg/bin/ffmpeg.exe"
             else:
                 encoder="ffmpeg"