Fix to 3819 - Filtering issues by tags on main screen issues (#3824)

* Fix to 3819

* Changes suggested

* Empty line removed

* Fix error: non-name opts.Labels on left side of :=

Author: rvillablanca

routers/user/home.go

@@ -255,6 +255,8 @@ func Issues(ctx *context.Context) {
 
 	opts.Page = page
 	opts.PageSize = setting.UI.IssuePagingNum
+	opts.Labels = ctx.Query("labels")
+
 	issues, err := models.Issues(opts)
 	if err != nil {
 		ctx.ServerError("Issues", err)

templates/user/dashboard/issues.tmpl

@@ -71,7 +71,7 @@
 								especially on mobile views. */}}
 								<span style="line-height: 2.5">
 									{{range .}}
-										<a class="ui label" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&state={{$.State}}&labels={{.ID}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}" style="color: {{.ForegroundColor}}; background-color: {{.Color}}" title="{{.Description}}">{{.Name}}</a>
+										<a class="ui label" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&state={{$.State}}&labels={{.ID}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}&repo={{$.RepoID}}" style="color: {{.ForegroundColor}}; background-color: {{.Color}}" title="{{.Description}}">{{.Name}}</a>
 									{{end}}
 								</span>
 							{{end}}