* [ADF-1749] Task List - Should be able to customize the rendered columns from JSON
* Refactored task/process list components to support customization key's
* Added Key properties to the app.config.json.
* Created preset model for task/process list .
* [ADF-1749] Task/Process List - Should be able to customize the rendered columns from JSON
* Fixed failing testcases.
* [ADF-1749] Task/Process List - Should be able to customize the rendered columns from JSON.
* Added test cases.
* Updated task/process list readme.md file
* * Updated task/process list readme.md file.
* Rename processlist.component.ts to process-list.component.ts
Rename processlist.component.md to process-list.component.md
* Add a root scope ADF_PROCESS_LIST into the json file
Remove the hardcoded string from the component and use keys
Refactoring json structure
* Fix unit test
