SVG versions of icons

SVG assets added and CSS adjusments made to make use fo SVG for compatible browsers.

Change-Id: Ib04b7bd72b528fc0c8159362f03f2a9828342aa4

resources/images/display.svg

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="32"
+   height="32"
+   viewBox="0 0 32 32"
+   id="Layer_1"
+   xml:space="preserve"><metadata
+   id="metadata7"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+   id="defs5" />
+<path
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+   id="rect4908-5-1-5-9"
+   style="fill:#434343;fill-opacity:1;stroke:none" /></svg>