Preparing for merge with odt branch.
Reverted following commits.
2f50b1380b4ff4ce62c05ae1a4c8aa5bb63f5178 * org-html.el (org-html-handle-links): add an alternate for inline images
c56bf33812a0c7ee5ddfa8c73e598348c3bbf47a HTML export: correct a bug in coderef link.
49e6bc899758114d6d29e69a8f9e40798d26782b Fix for html & docbook export of description list items
5259210cfb2d9910d67bc4d63f0d531b0dbb3bf6 org-html: Fix logic for export of section numbers
c4dbff58bee7966a3ff8748a05ac0528e017f908 Whitespaces clean up.
a201b11286d74407614b62b61a5e04446d5d6eea Fix HTML export of footnotes with lists, tables, quotes, etc.
9f57b8e85d185fbf3f9788fd4099709d512dedd1 Allow mixed export of numbered and unnumbered sections in HTML
38c6b17822ffb7ca4f9197c57c271ec417fa3a89 Protected linebreak element after timestamp markup
1fb33b595daf4ae1fe5701beb6d5b54f8309f2f8 Don't protect img tag in link description