Tests: Updated tests to match new default theme.
Merge branch 'master' into grunticon
Increased icon bg disc size and icon-only button size. Adjusted icon and icon-only button offsets.
Textinput: Always use black icon for search input. No bg disc so it doesn't look like a submit button.
Textinput: Adjusted search input icon size.
Textinput: Changed the clear button to just disc and icon.

The button shadow will be removed from the JS in another commit (textinput refactor).