[TabPanel] Change 'jqc-tabpanel' CSS class to 'jqc-tabPanel'
[TabPanel] Fix accidental uppercase CSS class, "jqc-tabPanel-Bar"
[Component] Add getBaseCls() and getComponentCls() methods to Component class.
[FComponent] Fix for if a Component's update() method is first called with an HTML string, and then a `tplData` object before it is rendered, that it uses the `tpl`/`tplData` combination instead of the HTML string when it is finally rendered.