[DOC] Fix typo and missing word in comments
[BUGFIX beta] Fixes issue - class given as unconditional binding to view not applied.

Conflicts:
	packages/ember-handlebars/tests/helpers/view_test.js
[DOC release] Update binding.js

* Changes one of the code examples to use a more correct representation of what
  the `.from` property is actually expecting.
* Adds a couple examples to help clarify that bindings may be set between
  objects using this method, and not just inside the object passed to `connect`.
[BUGFIX beta]

In 1.6 Ember.computed.empty was updated to
automatically respect arrays without forcing
users to use array.[] as the dependent key.

Ember.computed.notEmpty was not updated.

This commit fixes that.
Document the Router.map function.
[BUGFIX beta] Fix active link to nested parent with query params

failing test of link-to helper with query-params;
make tests pass by checking for non-empty query params and isActive

Conflicts:
	packages/ember-routing-handlebars/lib/helpers/link_to.js
[DOC release] Document Ember.DAG