dwb: fixed out-of-date scripts

.config/dwb/keys

@@ -178,7 +178,7 @@ repeat= .
 
 entry_delete_active=Control d
 
-hints_selector= 
+hints_selector=
 
 [1]
 save_search_field=gs

.config/dwb/userscripts/aboutblack.js

@@ -1,6 +1,6 @@
 #!javascript
 
-signals.connect("documentLoaded", function (wv) {
+Signal.connect("documentLoaded", function (wv) {
   if (wv.uri == "about:blank") {
     wv.inject("document.body.style.background = '#000';");
   }

.config/dwb/userscripts/youtube-mplayer.js

@@ -1,11 +1,11 @@
-//!javascript 
+//!javascript
 
 // Opens YouTube videos with mplayer.
 
 var regex = new RegExp("http(.*)://www.youtube.com/watch\\?(.*&)*v=.*");
 
-signals.connect("navigation", function (wv, frame, request) {
-    if (wv.mainFrame == frame && regex.test(request.uri)) 
+Signal.connect("navigation", function (wv, frame, request) {
+    if (wv.mainFrame == frame && regex.test(request.uri))
         system.spawn("sh -c 'mpv \"$(youtube-dl -g " + request.uri + ")\"'");
     return false;
 });