Add freenode verification file to jekyllrb.com.
Run site/img through ImageOptim
Added Jade Converter to docs/plugins
Merge pull request #1210 from snappylabs/jpap-docs-plugin-jade

Added Jade Converter to docs/plugins
Merge pull request #1208 from mojombo/imageoptim

Run site/img through ImageOptim
Update history to reflect merge of #1208.
Update history to reflect merge of #1210.
Edited the two contributing pages to ensure that they point readers towards site/docs for the docs rather than site/_posts (which doesn't exist)
Merge pull request #1214 from jadbirch/docs_correction

Very small documentation correction
Update history to reflect merge of #1214
Add ReadInXMinutes plugin
Merge pull request #1222 from zachleat/patch-1

Add ReadInXMinutes to plugin list
Update history to reflect merge of #1222
Remove plugins that have been obsoleted by changes in the core
Merge pull request #1223 from mojombo/remove-obsolete-plugins

Remove plugins that have been obsoleted by changes in the core
Update history to reflect merge of #1223
Adds jekyll-assets plugin link
Merge pull request #1225 from ixti/patch-1

Adds jekyll-assets plugin link
Update history to reflect merge of #1225