Merge pull request 'mod index' (#87) from mod-index into develop

Reviewed-on: https://git.openi.org.cn/OpenI/aiforge/pulls/87
Reviewed-by: avadesian <xuchx@pcl.ac.cn>

routers/routes/routes.go

@@ -285,7 +285,7 @@ func RegisterRoutes(m *macaron.Macaron) {
 	m.Head("/", func() string {
 		return ""
 	})
-	m.Get("/", routers.Home)
+	m.Get("/", routers.ExploreRepos)
 	m.Get("/dashboard", routers.Dashboard)
 	m.Group("/explore", func() {
 		m.Get("", func(ctx *context.Context) {