Remove fixed TODO.

src/main/scala/servlet/TransactionFilter.scala

@@ -6,7 +6,7 @@ import javax.servlet.http.HttpServletRequest
 import scala.slick.session.Database
 
 /**
- * Controls the transaction with the open session in view pattern.
+ * Controls the transaction with the open session in view pattern.
  */
 class TransactionFilter extends Filter {
   
@@ -21,7 +21,6 @@ class TransactionFilter extends Filter {
       // assets don't need transaction
       chain.doFilter(req, res)
     } else {
-      // TODO begin transaction!
       val context = req.getServletContext
       Database.forURL(context.getInitParameter("db.url"),
           context.getInitParameter("db.user"),