Removed spurious NSLog in -[TDBadgeView drawRect:]
Fixed TDBadgeView for iOS7 only code

-[NSString drawInRect:withAttributes:] does not account for CGContextSetBlendMode && CGContextSetFillColorWithColor.
Use attribute NSForegroundColorAttributeName string attribute instead
Merge pull request #49 from pierrephi/master

Removed spurious NSLog in -[TDBadgeView drawRect:] / Fix iOS7 string color