added css and formatting for downloads table scaling, added placeholder table for 1.1 release images.
updated commotion router download page with 1.1 image links, md5 sums.
Merge pull request #124 from opentechinstitute/r1-1downloads

1.1 downloads update
additional updates to commotion router download page
Various improvements to the blog index: plugin for posts by category on single category pages, also updates links in index posts by month & year.
Various improvements to blog tags, tag pages, blog index, posts by date, posts by tag. Orders tags in sidebar alphabetically. Tags link to an autogenerated category page listing posts with that tag chronologically. Blog index page now contains posts by date. Blog top menu item now links to recent posts page (recent.html/md)
Updated tag links on recent blog posts page.
Merge pull request #126 from opentechinstitute/staging

Merges recent changes into master branch