sidebar sub-category list

done: current category's title is shown and subs are listed and linked.
to-do: link to parent category if exists.
sidebar sub-category list complete

layout, styling and functionality is good, works well with the theme
category structure.
bootstrap update

2.3.2
theme update

that should be as much of the old stylesheet transferred as this theme
needs... only onward and upward from here. (:
Merge pull request #1 from ZaLiTHkA/edge

first master update