Removed trailing white spaces

Removed trailing whitespaces with

```sh
for file in `grep -r " $" * | cut -d : -f 1 | sort | uniq | grep -v " "`; do sed -i 's/[ \t]*$//' $file; done
```

and some handwork.

public/css/gogs.css

@@ -1266,7 +1266,7 @@ body {
 #issue .issue-child .issue-content .user .avatar {
     height: 21px;
     width: 21px;
-} 
+}
 
 #issue .issue-line {
     border-color: #CCC;
@@ -1808,7 +1808,7 @@ body {
     position: absolute;
     top: 0px;
     bottom: 0px;
-    
+
     margin: 5px;
     padding: 8px;
 

public/fonts/fontawesome-webfont.svg

@@ -501,4 +501,4 @@
 <glyph horiz-adv-x="1792" />
 <glyph horiz-adv-x="1792" />
 </font>
-</defs></svg> 
+</defs></svg>

public/js/app.js

@@ -546,7 +546,7 @@ function initIssue() {
             if ($textArea.attr("id") == "issue-reply-content") {
                 var $closeBtn = $('#issue-close-btn');
                 var $openBtn = $('#issue-open-btn');
-    
+
                 if ($textArea.val().length) {
                     $closeBtn.val($closeBtn.data("text"));
                     $openBtn.val($openBtn.data("text"));
@@ -575,7 +575,7 @@ function initIssue() {
         $hoverImage.addClass("attachment-preview-img");
 
         $hoverElement.append($hoverImage);
-        $(document.body).append($hoverElement); 
+        $(document.body).append($hoverElement);
 
         var over = function() {
             var $this = $(this);
@@ -605,7 +605,7 @@ function initIssue() {
                     $hoverElement.css({"top": top + "px", "left": left + "px"});
                     $hoverElement.css({"height": height + 16, "width": width + 16});
                     $hoverElement.show();
-                });            
+                });
             } else {
                 $hoverElement.show();
             }
@@ -624,7 +624,7 @@ function initIssue() {
         var $addButton    = $("#attachments-button");
         var files         = [];
         var fileInput     = document.getElementById("attachments-input");
-        
+
         if (fileInput === null) {
             return;
         }
@@ -635,9 +635,9 @@ function initIssue() {
             files.splice($parent.data("index"), 1);
             $parent.remove();
         });
-        
+
         var clickedButton;
-        
+
         $('input[type="submit"],input[type="button"],button.btn-success', fileInput.form).on('click', function() {
             clickedButton = this;
 
@@ -722,7 +722,7 @@ function initIssue() {
 
             xhr.open("POST", this.action, true);
             xhr.send(data);
-            
+
             return false;
         });
 
@@ -826,7 +826,7 @@ function initIssue() {
                         //window.location.reload();
                         $a.data("assigned", uid);
 
-                        if (uid > 0) {    
+                        if (uid > 0) {
                             $('.clear-assignee').toggleShow();
                             $(".assignee > p").html('<img src="' + img + '"><strong>' + text + '</strong>');
                         } else {
@@ -862,12 +862,12 @@ function initIssue() {
         $('.clear-milestone').toggleShow();
     }
     $('.milestone', '#issue').on('click', 'li.milestone-item', function () {
-        var id = $(this).data("id");    
+        var id = $(this).data("id");
         if (is_issue_bar) {
             var m = $m.data("milestone");
             if (id != m) {
                 var text = $(this).text();
-                
+
                 $.post($m.data("ajax"), {
                     issue: $('#issue').data("id"),
                     milestone: id
@@ -876,7 +876,7 @@ function initIssue() {
                         //window.location.reload();
                         $m.data("milestone", id);
 
-                        if (id > 0) {    
+                        if (id > 0) {
                             $('.clear-milestone').toggleShow();
                             $(".milestone > .name").html('<a href="' + location.pathname + '?milestone=' + id + '"><strong>' + text + '</strong></a>');
                         } else {
@@ -982,7 +982,7 @@ function initIssue() {
                     $(item).addClass("no-checked");
 
                     $("#label-" + id, $labels).remove();
-                    
+
                     if ($labels.children(".label-item").length == 0) {
                         $labels.append("<p>None yet</p>");
                     }
@@ -991,7 +991,7 @@ function initIssue() {
 
                     $(item).removeClass("no-checked");
                     $(item).addClass("checked");
-                    
+
                     $("p:not([class])", $labels).remove();
 
                     var $l = $("<p></p>");

public/ng/fonts/fontawesome-webfont.svg

@@ -501,4 +501,4 @@
 <glyph horiz-adv-x="1792" />
 <glyph horiz-adv-x="1792" />
 </font>
-</defs></svg> 
+</defs></svg>

public/ng/less/gogs/base.less

@@ -254,11 +254,11 @@ clear: both;
 .table {
     width: 100%;
     max-width: 100%;
-    > thead > tr > th, 
-    > tbody > tr > th, 
-    > tfoot > tr > th, 
-    > thead > tr > td, 
-    > tbody > tr > td, 
+    > thead > tr > th,
+    > tbody > tr > th,
+    > tfoot > tr > th,
+    > thead > tr > td,
+    > tbody > tr > td,
     > tfoot > tr > td {
         border-top: 1px solid #e7eaec;
         line-height: 1.42857;
@@ -268,7 +268,7 @@ clear: both;
     th {
         text-align: left;
     }
-} 
+}
 .table-striped {
     >tbody>tr:nth-child(odd)>td,
     >tbody>tr:nth-child(odd)>th {

public/ng/less/gogs/dashboard.less

@@ -189,8 +189,8 @@ The dashboard page style
             }
         }
         a {
-            text-overflow: ellipsis; 
-            -o-text-overflow: ellipsis; 
+            text-overflow: ellipsis;
+            -o-text-overflow: ellipsis;
             overflow: hidden;
         }
     }