Lots of reorganization and awesome changes to the asset pipeline.

 - split out assets.py from resources.py
 - integrate requirements into pyramid_layout to let layouts declare
   requirements in addition to those conferred by the forms used
 - change 'scss' directory to 'css'
 - remove 'js/src' dir
 - move 'js/lib' to 'lib'

Conflicts:
	h/js/src/controllers.coffee

Fixes a bug where annotating while not logged in would cause
persistent highlights and break the `back` functionality.

Fixes a bug where unsaved annotations could cause persistent
highlights.

 - drag polyfill
 - suppress ghost image
 - work around gecko bug 505521

I think I got confused once when I did `x = foo` and it was being
shared between instances. Silly me, it should have been `x: foo`.

This CoffeeScript thing...

 - less instance-wide state
 - shorter lines (< 80 columns)
 - consistentCamelCase

Fix #198

Conflicts:
	h/js/src/controllers.coffee

Add a directives module. For now it has one directive, 'navTabs',
which automatically focuses the first input element when switching
tabs.

Expose deform as an AngularJS service so that it can be injected.
Create a deform directive which creates data bindings for forms
serialized by deform.

26 add handle to left edge of the sidebar to resize it

Merge branch '181-alert-for-unsaved-dialog-in-detail-view' of https://github.com/gergely-ujvari/h into 181-alert-for-unsaved-dialog-in-detail-view

added basic page action assets

Markdown support

Fix #91

2. Re-added an accidentally removed line