make blogname and blogdir available both to index as well as individual post pages

blog/blog.go

@@ -67,6 +67,7 @@ func emitPostPage(post Post) string {
 	os.MkdirAll(folders, 0755)
 	page := Page{}
 	page.Blogname = blogname
+	page.Blogdir = folder
 	page.Title = post.Meta.Title
 	page.Style = style
 	page.Content = post.Content
@@ -114,6 +115,7 @@ func emitIndexPage(i int, posts []Post, total int) {
 	page.Title = blogname
 	page.Style = style
 	page.Blogdir = folder
+	page.Blogname = blogname
 	page.Blogpost = false
 	page.PostCollection = postCollection
 	if indexPageExists(i-1, total) {