Added line for html filetypes:

  let g:html_indent_inctags = "html,body,head,tbody"

This is because the new indent definition file in vim 7.4 does not,
by default, indent all tags, and, interestingly, does not include
the above tags by default.

Found out about this in SO question 19323607:

  http://stackoverflow.com/questions/19323607/