Fixed ZIP file responding, HTML interfaces and so on.
* ZIP file
  * Employs Puma HTTP server in order to respond ZIP files > ~2GB
  * Sets metadata for ZIP entry to give the same zip unless DB update
  * Does not compress ZIP entry to include UDP attachment files
  * Fixes zip entry names for UDP attachment files
* HTML
  * Fixes not to show dummy character encodings
  * Hides CSV/ZIP links while getting CSV by Ajax
  * Fixes values of id attributes
* personal sample
  * Fixes to list personal samples without requests