Add Regression Test for #100 - Saving page images to db
 Add images_attributes to page_params so rails 4 strong_parameters work. Fixes #100
Merge remote-tracking branch 'complistic-gaff/rails-4-strong-parameters'

Conflicts:
	refinerycms-page-images.gemspec
Fixed failing tests, documented wymeditor support.

Conflicts:
	app/decorators/controllers/refinery/admin/pages_controller_decorator.rb
	refinerycms-page-images.gemspec