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.

templates/user/dashboard/dashboard.tmpl

@@ -11,7 +11,7 @@
                 </div>
                 <div class="content left {{if eq .GetOpType 5}}push-news{{end}}">
                     <p class="text-bold">
-                        <a href="/{{.GetActUserName}}">{{.GetActUserName}}</a> 
+                        <a href="/{{.GetActUserName}}">{{.GetActUserName}}</a>
                         {{if eq .GetOpType 1}}
                         {{$.i18n.Tr "action.create_repo" .GetRepoLink .GetRepoLink | Str2html}}
                         {{else if eq .GetOpType 5}}