feat(android): textTransform for Label

[m1ga]

Adds CSS like textTransform with uppercase, lowercase and none (default):

var toggle = false;
var win = Ti.UI.createWindow({layout: "vertical"});
var lbl1 = Ti.UI.createLabel({ text: "Just a Text wiTH ranDOm leTTerS (random)"});
var lbl2 = Ti.UI.createLabel({ text: "Just a Text wiTH ranDOm leTTerS (uppercase)",
  textTransform: "uppercase"
});
var lbl3 = Ti.UI.createLabel({ text: "Just a Text wiTH ranDOm leTTerS (lowercase)",
  textTransform: "lowercase"
});
var btn = Ti.UI.createButton({ title: "toggle"});

btn.addEventListener("click", function() {
  if (!toggle) {
		lbl1.textTransform = "lowercase";
		lbl2.textTransform = "none";
		lbl3.textTransform = "uppercase";
	} else {
		lbl1.textTransform = "none";
		lbl2.textTransform = "uppercase";
		lbl3.textTransform = "lowercase";
	}
	toggle = !toggle;
})
win.add([lbl1, lbl2, lbl3, btn]);
win.open();

Note:
I've used a string here and not constants. That way you can use the normal CSS properties instead of long Ti constants. I can change it but it feels a bit more intuitive to use it like this.