OZP-245 Added logic for rendering floating widgets in the dashboard instance and tests.
Merge branch 'master' into feature/ozp-245-floating-widgets
OZP-245 Updated logic for rendering floating widgets in the dashboard instance and tests.
Merge branch 'master' into feature/ozp-245-floating-widgets

Conflicts:
	bundles/client/dashboard/src/main/webapp/js/views/dashboard/DashboardInstance.js
OZP-245 Updated floating widget tests
OZP-245 Added mixing for floatingWidgets property
Merge branch 'master' into feature/ozp-245-floating-widgets
OZP-245 Used CollectionView mixin
Merge branch 'master' into feature/ozp-245-floating-widgets