Add Jekyll Image Tag to the plugins list
Merge pull request #1306 from robwierzbowski/add-jit-plugin

Add Jekyll Image Tag to the plugins list
Update history to reflect merge of #1306.
Update history page in the docs to include #1304.
Merge branch 'master' of github.com:mojombo/jekyll

* 'master' of github.com:mojombo/jekyll:
  Add Jekyll Image Tag to the plugins list
Organize plugins into categories, clean up copy.
Escape/remove single '_' and '*'s that maruku chokes on.
Pages are not alphabetical.

https://github.com/mojombo/jekyll/commit/f25fe1c86fd6d9fb05f23222711e3678d4453371#commitcomment-3644377
Update history to reflect removal of erroneous statement in docs about site.pages' sorting.
Add description for drafts folder. Fix #1319
Merge pull request #1320 from penibelst/patch-1

Add description for drafts folder. Fix #1319
Update history to reflect merge of #1320
Merge pull request #1310 from robwierzbowski/organize-plugins

Organize plugins into categories.
Update history to reflect merge of #1310