In new_post and new_page rake tasks: adding quotes around title attribute for better compatibility with yaml

Rakefile

@@ -67,7 +67,7 @@ task :new_post, :title do |t, args|
     system "mkdir -p #{source_dir}/#{posts_dir}";
     post.puts "---"
     post.puts "layout: post"
-    post.puts "title: #{title.gsub(/&/,'&').titlecase}"
+    post.puts "title: \"#{title.gsub(/&/,'&').titlecase}\""
     post.puts "date: #{Time.now.strftime('%Y-%m-%d %H:%M')}"
     post.puts "comments: true"
     post.puts "categories: "
@@ -92,7 +92,7 @@ task :new_page, :filename do |t, args|
     open(file, 'w') do |page|
       page.puts "---"
       page.puts "layout: page"
-      page.puts "title: #{name.gsub(/[-_]/, ' ').titlecase}"
+      page.puts "title: \"#{name.gsub(/[-_]/, ' ').titlecase}\""
       page.puts "date: #{Time.now.strftime('%Y-%m-%d %H:%M')}"
       page.puts "comments: true"
       page.puts "sharing: true"