* aot compatibility updates
- remove index files where needed
- move material dependencies to a separete module
- use aot compatible lambda functions for module export
* remove unused imports
* re-export Material module
* core module enhancements
- fix AOT issue with providers (use lambda instead of variable)
- move context menu to a separate module
* core module enhancements
* feature modules
* [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
* [ADF-778] Added new behaviour to upload dialog
* [ADF-778] cancel window for upload dialog shows only on complete
* [ADF-778] changed variable name to showCloseButton
- ability to bind [form] data directly inside `<activiti-form>` component
- ability to parse forms with FormService
- demo of the custom form in demo shell
* Add people component
* exported people service
* added people-list component to show the involved user list
* changed people-search component layout
* changed people-list usage in people component
* changed people-list data table from custom template to data adapter
* changes people-search component related to people-list
* changes in activiti-people related to people-list and people-search component
* changed data adapter to direct data column setting to data-table
* removed ngChanges and added User and UserEvent models
* added User and UserEvent model in emitter and other emitter handler
* added user event model
* changed activiti-people component with latest UX changes
* addedand changed translate keys to the components
* added hasUser method to check the condition in html
* fixed tslint issue and test case issue in activiti-people component
* added test case for actviti-people-list component
* test case added for activiti-people-search component
* changed activiti-people test cases according to latest UX changes
* added description for activiti-people component
* changed test case to fix component.upgradeElement issue
* changes requested by Vito Albano #1
* splitted getDisplayUser into getDisplayUser and getInitialUsername
