UI:
 - new page 'Summary' of account
 - added editable field 'API Key' on account page
 - new widget for displaying models using templates
 - added trigger button for text field
 - added support of size synchronization for forms and fields
 - ability override title of the form panel
 - added API for REST services
 - some styles moved to file for import (import.vars.less)

WebUI Maven Plugin:
 - fix compression of JS files