added norwegian flag

cockatrice/resources/countries/no.svg

+<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="1100" height="800">
+ <rect width="1100" height="800" fill="#ef2b2d"/>
+ <rect width="200" height="800" x="300" fill="#fff"/>
+ <rect width="1100" height="200" y="300" fill="#fff"/>
+ <rect width="100" height="800" x="350" fill="#002868"/>
+ <rect width="1100" height="100" y="350" fill="#002868"/>
+</svg>