Implemented cache for static resources - .css, .js, .html and .htm files
Fixed bug #143786 for dynamic content widget: all news are shown when 'Selected news' option is checked
Fixed bug #143779 for dynamic content widget: Selected news and no limit option cause exception on frontend
Fixed bug #143776 for dynamic content widget: Selected news and limit does not work ok
Fixed bug #143771 for dynamic content widget: Selected news and paging does not work ok
Merge branch 'development' of https://github.com/Sitefinity/feather into development
fixed UI tests
Merge branch 'development' of https://github.com/Sitefinity/feather into development
fixed performance issue with DatabaseResourceResolver
Merge branch 'development' of https://github.com:boyko-karadzhov/Sitefinity/feather into FieldsMarkupRefactoring

Conflicts:
	Telerik.Sitefinity.Frontend/Mvc/Models/ContentModelBase.cs