Made posts more generic.

Introduced:
* Notes
* Recipes

(in addition to articles)
Added recipes
Update 2013-12-07.md
Made post meta font brighter
Added active record like query functionality to posts
Added some path helpers
Updated notes
Updated notes
updated notes
Improved tag scope

Each type of Post now has its own tag list.
Updated notes
Updated notes
Added duck_hunt note
Added the duck hunt note

Also extended the engine to support as many categories as I like, then
introducer the bliss_manifesto category and migrated all notes
concerning the manifesto the that category. Accessible at
/bliss_manifesto
Updated notes
Wrong meta key for tags
Fixed documentation for linkified tags helper
Added mousetrap.js for shortcuts

g b: /bliss_manifesto
g a: /articles
g n: /notes
g r: /recipes
Fixed doc
Modal view for search