Merge pull request 'feat; isprivate not caculate' (#156) from is_private into develop

Reviewed-by: palytoxin <sxty32@126.com>

templates/repo/sub_menu.tmpl

@@ -13,9 +13,11 @@
 				<div class="item">
 					<a class="ui" href="#">{{svg "octicon-database" 16}} <b>{{SizeFmt .Repository.Size}}</b></a>
 				</div>
+				{{if (not .IsPrivate)}}
 				<div class="item">
 					<a class="ui" href="#">{{svg "octicon-desktop-download" 16}} <b>{{.Repository.CloneCnt}} {{.i18n.Tr "repo.clone_cnt" }}</b></a>
 				</div>
+				{{end}}
 			{{end}}
 		</div>
 	</div>