Optimize PNG and SVG files

[KeenRivals]

• Optimized PNG files with optipng -o7 -strip all and advdef -z4 -i50.
• Optimized SVG image files with svgo.
• Optimized SVG font file with svgo --disable=removeUselessDefs.

File	Size Before (Bytes)	Size After (Bytes)	% Reduction
./Hax/fonts/fontawesome-webfont.svg	313398	274361	12%
./Hax/img/blueprint.png	1141	1068	6%
./Hax/img/dino-dark.svg	1434	986	31%
./Hax/img/dino-simple.svg	2118	1360	36%
./Hax/img/dino.svg	1860	992	47%
./Hax/img/mdn-logo-mono.svg	2862	1654	42%
./Hax/img/mdn-logo.svg	11890	9272	22%
./Hax/img/mozilla.png	1242	1242	0%
Total	335945	290935	13%