* stub for custom form service
* demo polishing
- use in-memory formService only for the corresponding demo page 'Form'
- support for mocking rest field values
- demo of the typeahead data mocked
* load data from app config
* fix lint errors
* separate Form and Form List demos
* [ADF-907] Enable activiti form to react on value data changes
* [ADF-907] - Form reacts to data added in input]
* [ADF - 907] added mock json for form
* [ADF-907] added new event of the form to the event list
* [ADF - 907] Added return column to README
* [ADF - 907] Added return column to README
- ability to bind [form] data directly inside `<activiti-form>` component
- ability to parse forms with FormService
- demo of the custom form in demo shell
