Fix page count check in admin helper.

The WillPaginate::ViewHelpers.total_pages_for_collection method does not
exist anymore. Replaced with collection.total_pages.
Give different versions of #show_actions helper different names.

The wrong version of this helper method was being called. I'm guessing the
way these helper modules are loaded has changed. To avoid any problems, two
of the three implementations of #show_actions were renamed.
Get rid of #assert_template_has helper.

It is easily replaced by `assigns(key).should_not be_nil`.
Replace more :contents with :content in have_selector calls.
@controller.controller_name is now replaced by controller.controller_name
Adding dynamic form plugins as namy forms thing were deprecated. I'll remove it and upgrade this part later when working on the admin
@controller.controller_name is now replaced by controller.controller_name
Remove unused call to relative_url_root.
For some reasons I had moved everything from the read action into the general settings and didn't remove neither the method nor the test. rspec2 raised an error onmissing template rspec1 didn't
Call #params on controller, since plain params no longer works.
Replace have_text matcher with contains.
Avoid extra html escaping in #auto_complete_results.
Re-require action_web_service for BackendController.

Without this, the singleton methods are not properly loaded into the
BackendController class. A better solution is needed.
Remove unused read action from Admin::SettingsController.
Merge branch 'master' into rails_3
Replace merged in #integrate_views call with #render_views.
Use strings, not symbols, for url_for parameter values.
Merge remote branch 'origin/rails_3' into rails_3
Make feed links work for articles controller.
Remove ArticlesHelper includes.