Improve of empty tip hiding

static/scripts/app/router.js

@@ -13,6 +13,7 @@ define([
 
     var Router = Backbone.Router.extend({
         routes: {
+            '': 'showMyRepos',
             'my-libs/': 'showMyRepos',
             'my-libs/lib/:repo_id(/*path)': 'showMyRepoDir',
             'my-sub-libs/': 'showMySubRepos',

static/scripts/app/views/group.js

@@ -73,7 +73,9 @@ define([
             this.group_id = group_id;
             this.showSideNav();
             this.dirView.hide();
+            this.$emptyTip.hide();
             this.$tabs.show();
+            this.$table.hide();
             this.repos.setGroupID(group_id);
             this.repos.fetch({reset: true});
             this.$loadingTip.show();
@@ -140,6 +142,7 @@ define([
             this.sideNavView.hide();
             this.hideRepoList();
             this.dirView.hide();
+            this.$emptyTip.hide();
         }
 
     });

static/scripts/app/views/organization.js

@@ -119,6 +119,7 @@ define([
         hide: function() {
             this.$sideNav.hide();
             this.hideRepoList();
+            this.$emptyTip.hide();
             this.dirView.hide();
         }