Update to the media types as of 2000-10-19. I also fixed the case of

application/batch-SMTP to match the official name.
Obtained from:  ftp://ftp.isi.edu/in-notes/iana/assignments/media-types
PR: 6613


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@86663 13f79535-47bb-0310-9956-ffa450edef68