Adds getGlobalBounds() for Text.

The code was a simple copy paste from sprite with a modification to the function it was calling (sfSprite_getGlobalBounds to sfText_getGlobalBounds)
Remove ref from Time's OpCmp

Allows the use of code like this:
if(Timer.getElapsedTime() >=  Time.seconds(4))
{
	//Insert Code Here!
}
Merge pull request #1 from Jebbs/master

Update system.d
Merge pull request #36 from Halsys/master

sfText_getGlobalBounds && remove reference from time comparison