Knockstrap 1.1.0

-Added possibility to use popover binding with other bindings on same element and with other bindings on child elements
-Added support of close button via 'data-dismiss="popover"' for popover binding
-Made visible property optional for modal binding
-Added possibility of using observable header, body and footer properties to modal binding
-Added possibility to obtain added templates from stringTemplateEngine
-Added possibility to provide different options for progress-bar in progress binding
-Added possibility to change default css and attributes of root element for modal, progress and carousel bindings