Changed UI
Removed local jQuery theme since there is no mime-type for png-image at dump1090 webserver.
Added second hour hand to clock (showing UTC time).
Moved buttons to right side of dual-clock. Buttons are now themed with jQuery Ui.
METAR-div uses now jQuery 'ui-state-highlight' style.

	renamed:    public_html/coolclock/coolclock.js -> public_html/3rdparty/coolclock/coolclock.js
	renamed:    public_html/coolclock/excanvas.js -> public_html/3rdparty/coolclock/excanvas.js
	renamed:    public_html/coolclock/moreskins.js -> public_html/3rdparty/coolclock/moreskins.js
	deleted:    public_html/custom-theme/*
	modified:   public_html/gmap.html
	modified:   public_html/script.js
	modified:   public_html/style.css