Update: update on inscription.
Bump version to 2.3.1
Merge branch 'release/v2.3.1' into develop

* release/v2.3.1:
  Bump version to 2.3.1
Add ‘404’ class as a root selector to page 404 css.
Use momentjs in browser for computing date. Remove dead code and change coffee templates to bbs templates.
Use modernize for fontface feature. On windows phone 7.8 font face support is limited.
Reorder scripts in default layout.
Remove comments from default layout output.
First tentative to add some assets workflow for reducing roundtrips in production.
Revert 404 page changes.
wip
wip urls are working.
Remove unused bower dependencies.
Make local url configurable in docpad template data.
Simplify rss feed content.
Add default js script in index page.
refactoring: moving documents to a more flat tree and make urls configurables.
configuration: switch tab to spaces indentation in coffee files.
tools: introduce gulp to replace grunt.
refactoring: wip