Add citecolor variable
Added subtitle to html and latex formats.
OPML template:  Use 'for' in author.
Added #TITLE: to title in org template.

Previously the writer inserted this.
Merge pull request #31 from aaronwolen/master

Provide a variable to define citation color
man template:  removed `description`, added `header`, `footer`.

Added quotes where needed.
default.latex: Use tex-ansi mapping for monofont.

This ensures that straight quotes appear as straight, rather than
being treated as curly.  See pandoc#889.
LaTeX/Beamer templates:  Add classoption variable.

This is intended for class options like `oneside`; it may
be repeated with different options.
LaTeX template:  Added `biblio-style` variable.
Merge remote-tracking branch 'upstream/master'