I2PSnark: Update subisnark images. Console: Midnight theme tweakage.

build.xml

installer/resources/themes/console/midnight/console.css

...r/resources/themes/snark/vanilla/images/arrow_refresh.png

installer/resources/themes/snark/vanilla/images/complete.png

...ler/resources/themes/snark/vanilla/images/downloading.png

...aller/resources/themes/snark/vanilla/images/hidepeers.png

installer/resources/themes/snark/vanilla/images/nopeers.png

installer/resources/themes/snark/vanilla/images/seeding.png

...aller/resources/themes/snark/vanilla/images/showpeers.png

installer/resources/themes/snark/vanilla/images/stalled.png

...aller/resources/themes/snark/vanilla/images/start_all.png

installer/resources/themes/snark/vanilla/images/status.png

installer/resources/themes/snark/vanilla/images/stop_all.png

installer/resources/themes/snark/vanilla/images/stopped.png

...er/resources/themes/snark/vanilla/images/trackererror.png