Tabs: Fixed typos on the demo page

Fixes gh-7459
Closes gh-7460
Listview: Make it possible to apply count theme with a class

Fixes gh-6966
Closes gh-7457
Theme: Prevent text underline in visited link buttons

Fixes gh-6926
Closes gh-7447
Core: Width auto for inline button elements in toolbars

Fixes gh-7232
Closes gh-7446
Checkboxradio: When pre-rendered, assume label is a sibling of the input

Closes gh-7471
Fixes gh-7470
Table: Copy entire contents of reflow headers into reflow bold tags

Closes gh-7437
Fixes gh-7415