CMS-3712 Reorganise api.ui classes

- moved buttons to api.ui.button
CMS-3712 Reorganise api.ui classes

- moved buttons to api.ui.button
- moved responsive classess to api.ui.responsive
CMS-3712 Reorganise api.ui classes

- moved buttons to api.ui.button
- moved responsive classess to api.ui.responsive
- moved masks to api.ui.mask
CMS-3712 Reorganise api.ui classes

- moved buttons to api.ui.button
- moved responsive classess to api.ui.responsive
- moved masks to api.ui.mask
- moved uploader classes to api.ui.uploader
- moved panels to api.ui.panel
CMS-3712 Reorganise api.ui classes

- moved buttons to api.ui.button
- moved responsive classess to api.ui.responsive
- moved masks to api.ui.mask
- moved uploader classes to api.ui.uploader
- moved panels to api.ui.panel
- moved inputs to api.ui.text
CMS-3712 Reorganise api.ui classes

- moved buttons to api.ui.button
- moved responsive classess to api.ui.responsive
- moved masks to api.ui.mask
- moved uploader classes to api.ui.uploader
- moved panels to api.ui.panel
- moved inputs to api.ui.text
- renamed windows to panels and moved them to panel package
- also renamed styles and moved them to panel folder
Merge remote-tracking branch 'origin/master' into cms-3712

Conflicts:
	modules/wem-admin-ui/src/main/resources/web/admin/apps/content-manager/js/app/browse/ContentBrowseEvents.ts
CMS-3712 Reorganise api.ui classes

- moved buttons to api.ui.button
- moved responsive classess to api.ui.responsive
- moved masks to api.ui.mask
- moved uploader classes to api.ui.uploader
- moved panels to api.ui.panel
- moved inputs to api.ui.text
- renamed windows to panels and moved them to panel package
- also renamed styles and moved them to panel folder
- resolved merge conflicts and added more imports instead of full class names
Merge pull request #835 from enonic/cms-3712

CMS-3712 Reorganise api.ui classes