.
Removes the category stuff and changes this a chronological archive only.
Menu changes.

Includes a menu item for archive-chron and archive-category.
Renames archive to archive-chron

Long process, but this works well. I have separated things and now have
two archive pages, which I think will work better.

* archive-chron.html:
Creates archive-category

This is a new page that returns my blog categories.

* archive-category.html: