add tests for legacy url with unknown format & parameters

- add missing feature tests for legacy urls like /index.php?sort_order=desc
Set sass-rails version to be a least 4.0.5

and removes the explicit sass 3.2.19 dependency. sass-rails handles this for us.
Adds specs for downloading public attachments.
Merge branch 'legacy_url' of https://github.com/zirni/alchemy_cms into zirni-legacy_url

Conflicts:
	spec/controllers/pages_controller_spec.rb
Convert legacy page redirection specs into Rspec 3 syntax
Convert attachments_controller spec stub into Rspec 3 syntax
Adds missing spec for redirecting legacy url with nested urlname
Merge branch 'zirni-legacy_url'
Update resources_helper.rb

Added time selector for time fields.
added tests for time fields in resources

Conflicts:
	spec/features/admin/resources_integration_spec.rb
Useing soft tabs and remove unused code
use soft tabs
i really have trouble with formatting
Updates resource integration spec to Rspec 3 syntax
Changed translations for sort pages to better explain the button action
Merge pull request #675 from louim/master

Changed translations for sort pages to better explain the button action
Do not prepend /assets path prefix to module icons
Register custom module ability class.
Merge pull request #679 from magiclabs/fix/module_generator

Fix module generator.
Ensure to not use AMS >= 0.9.1

active_model_serializers 0.9.1 breaks the API. 0.9.0 works as expected. See https://travis-ci.org/magiclabs/alchemy_cms/builds/43097183 for more details.