Issue #2289303: First commit for porting 'Disqus comment count' view. For creating a view, just checking if the node has the disqus-comment field
 is now a classed object, see change record: https://www.drupal.org/node/2310411
Using the right function calls to work on FormStateInterface object instead of direct object data access
Generalized disqus comment count view for all entities
Merge pull request #32 from angrycodr/change-form-state-variables-from-an-array-to-a-FormStateInterface-classed-object

$form_state is now a classed object
Merge pull request #31 from angrycodr/Review-and-port-views-implementation

Review and port views implementation
Replaced hook_element_info by annotated classes. See change record #2320115
Moved disqus_post_render_cache function to Element/Disqus. Fixed a error causing dsm warning in DisqusCommentManager