refactor embeddedrecordserializer
fix embedded widgets loading
Merge branch 'UIV2' of https://github.com/capensis/canopsis into UIV2

Conflicts:
	sources/webcore/var/www/canopsis/core/lib/loaders/schema-manager.js
	sources/webcore/var/www/canopsis/core/mixins/embeddedrecordserializer.js
	sources/webcore/var/www/canopsis/core/view/widget.js
	sources/webcore/var/www/canopsis/main.js