[wk] SVG icons for the WebInspector
[wk] SVG icon templates and helpers for the WebInspector
[wk] Enhancing some SVG icons for the WebInspector
[wk] Second enhancing iteration for some SVG icons for the WebInspector
[wk] Removing unused SVG icons for the WebInspector
[wk] Initial set of PNG icons for the WebInspector
[wk] PNG icon templates and helpers for the WebInspector