Update history to reflect merge of #2959 [ci skip]
Page specific descriptions
Add my ditaa-ditaa plugin under Other

ditaa-ditaa is a drastic revision of jekyll-ditaa that renders diagrams drawn using ASCII art into PNG images.

It is not immediately clear where ditaa-ditaa would belong as it provides both generator functionality, tag functionality and other functionality.
Update history to reflect merge of #2969 [ci skip]
Merge pull request #2967 from tmthrgd/master
Update history to reflect merge of #2967 [ci skip]
Merge pull request #2964 from nternetinspired/meta-description
Update history to reflect merge of #2964 [ci skip]
jekyll build/serve -V option to docs
Update history to reflect merging of #2948

Closes #2948

See 10c8184942af0c9c548390da2a4fab2089475797 for more
New Sass variable $content-width instead of hardcoded value
Fix head.html indentation
Merge pull request #2973 from tkrotoff/indent-head.html
Update history to reflect merge of #2973 [ci skip]
Merge pull request #2972 from tkrotoff/wrapper-width-hardcoded
Update history to reflect merge of #2972 [ci skip]
Add Tag plugin link for 'Jekyll Twitter Plugin'; A Liquid tag plugin that renders Tweets from Twitter API.
allow Enumerables to be used with "where" filter

Enumerable module responds to `select` so this shouldn't be a problem here. Typical use case would be an object from a plugin being passed through a where filter.
site_template/_includes/head.html: Minor refactoring.

Remove unneeded end tag, and also strip newlines.
Move `X-UA-Compatible` just after `meta charset`.
site_template/feed.xml: Remove unneeded space.