* add stylelint
* fix style first part
* fix style second part
* fix style third part
* fix style fourth part
* Fix e2e tests first part
* Fix e2e tests second part
* Rebase branch
* fix style third part
* fix style fourth part
* Fix list error
* fix insights
* fix style abotu component
* Fix e2e tests second part
* Rebase branch
* fix style third part
* fix style fourth part
* Fix list error
* Fix e2e tests second part
* Rebase branch
* fix style third part
* fix style fourth part
* Fix list error
* [ADF-3746] Rebase branch
* Fix e2e tests second part
* Rebase branch
* fix style third part
* fix style fourth part
* Fix list error
* Fix e2e tests second part
* Rebase branch
* Fix list error
* fix new style added
* tslint fix
* [ADF-3746] Fix scss errors on Process Filters Cloud component
* [ADF-1711] The <adf-task-attachment-list component displays drag-and-drop area that is not working
* Made the drag and drop area working in demo shell for task attachment
* Provided a way to pass custom no content template for drag and drop to the user
* Updated the task-attachment README file for the user to know how to use drag and drop component with task-attachment component
* [ADF-1711] The <adf-task-attachment-list component displays drag-and-drop area that is not working
* Made the drag and drop area working in demo shell for task attachment
* Provided a way to pass custom no content template for drag and drop to the user
* Updated the task-attachment README file for the user to know how to use drag and drop component with task-attachment component
* [ADF-1950] Not able to open an attached file within a Task.
* Changed data-column key 'icon' to 'image' in task/process attachment file component.
* Refactored activiti-component.
* Used Adf-viewer to view the attached documents.
* [ADF-1950] Not able to open an attached file within a Task.
* Centralized the use of the adf-viewer component in the activiti component (demo shell folder).
