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