* Allow height and width to be specified in options in CloudCoverUrl
* Allow height and width to be specified in options in social_image.rb
* Remove options from cloud_cover_url.rb in favor of social_image.rb
* Add double splat operator for height and width options in social_image.rb
* Add double splat operator to options in application_helper.rb
* Add options to call in article_serializer.rb
* Remove options from the CloudCOverUrl call in application_helper.rb
* Remove options from article_serializer.rb
* Add height and width variables to cl_image_path
* Remove hardcoded height and width from social_image.rb
* Adjust width to be 500 rather than 420 in social_image.rb
8b6566da6b