fix some bad error printing

+ fixed "blog" not being highlighted in admin sidebar when visited

admin/blog/blog.go

@@ -81,6 +81,7 @@ func serveBlogIndex(app *model.AppState) http.Handler {
 
         err = templates.BlogsTemplate.Execute(w, blogsData{
             AdminPageData: core.AdminPageData{
+                Path: r.URL.Path,
                 Session: session,
             },
             TotalPosts: len(posts),
@@ -118,6 +119,7 @@ func serveBlogPost(app *model.AppState) http.Handler {
 
         err = templates.EditBlogTemplate.Execute(w, blogPostData{
             AdminPageData: core.AdminPageData{
+                Path: r.URL.Path,
                 Session: session,
             },
             Post: post,