[remake] start rebuilding old version (1.4.0) with themestrap

theme.version === bootstrap.version
[remake] add a 'LuCI' example (router overview), using old style
[remake] dev/diff.sh: reformat old style with `recess` before `diff`ing
[remake] add bootstrap less sources for editing

`bootstrap/lib/{forms,patterns,scaffolding,tables,type}.less`
[remake] remove unused elements from bootstrap source (comment-out)
[remake] LESS: extend() class names for LuCI
[remake] remove more unused elements from bootstrap source (comment-out)
[remake] add luck-items.less and luci-fixes.less, import into theme
[remake] add #dist (theme-only)
[remake] import `luci-bootstrap` package from `openwrt-packages` repo
[remake] move old `dist` folder to `dist/web` (preparing for `dist/package`
[remake] rename theme.less > themestrap.less
[remake] use current version of bootstrap (v3.1.0)
[remake] port to bootstrap3 1/x