Fix nprogress usage and styling

assets/static/base.css

@@ -365,16 +365,12 @@ button.silence-delete:focus {
 
 
 /* tweak nprogress look for flatly */
-#nprogress .bar {
+#nprogress .nprogress-flatly.bar {
     background: #f39c12;
 }
-#nprogress .peg {
+#nprogress .nprogress-flatly.peg {
     box-shadow: 0 0 10px #f39c12, 0 0 5px #f39c12;
 }
-#nprogress .spinner-icon {
-    border-top-color: #f39c12;
-    border-left-color: #f39c12;
-}
 
 
 /* tweaks for help page tables */

assets/static/progress.js

@@ -11,7 +11,8 @@ function init() {
     NProgress.configure({
         minimum: 0.01,
         showSpinner: false,
-        easing: "linear"
+        easing: "linear",
+        template: "<div class='bar nprogress-flatly' role='bar'><div class='peg nprogress-flatly'></div></div>"
     });
 }
 

assets/static/unsee.js

@@ -125,7 +125,7 @@ function resume() {
         filters.setPause();
         return false;
     }
-    progress.resetTimer();
+    progress.start();
     if (timer !== false) {
         clearInterval(timer);
     }