Refactor tooltip so there are no divs inside spans
TabContainer and Accordion bugs removed to work with server side templating
Add downdown rendering for nav widgets
Tree nav working with server side rendering
Remove startup bug in DropdownToggle - could be started multiple times
Fix overlay template so there are no divs inside spans
Text editor widget now working with server side scripting. Losts of code cleanup included. Introduced _HandlersMixin
Form appendages fixed to work with server side render
LableMixin working with server side rendering
form/TextBox docs page working with server side rendering
form/_RequiredStarMixin working with server side render
Fix number parsing