URL nesting is enabled by default now.

Don't panic ^_^. The url_nesting setting of your project does not get changed. And if you want to use the nested urls, you can use one of the fancy new convert rake tasks. \o/
Uses page#slug as navigation item css class name.
Fixes url_name generating while seeding.
Refactors conditional callbacks syntax in page model.
Do not create a legacy url on page creation.
Introduces a naming concern for page model.
Refactors two page methods with scopes.
Introduces a page cells concern.
Introduces a page elements concern.
Fixes name conversions include.
Fix resource relations select in resource form.
Use minWidth for Alchemy.Window
Fix language resource window size.
Fixes sortable headers for resource views.
Fixes overlay close button position.
Refactors the Resource.resource_relations feature:

* Uses ActiveRecord::Reflections to handle associated models.
* Columns of related model tables included in search queries.
* Sortable table headers uses resource relations columns.
Introduces model as an optional third argument to Alchemy::Resource and
refactors specs
Add exhaustive description to Alchemy::Resource, separates model and
resource and refactors resource_helper and resource_controller
accordingly
Fixes styles in filterable taglist for multiline tags.
Move the Resource documentation to where it belongs.