Classic Nameplate Floating Combat Text

* adapt game version of 10.2.0
* re-design animation
* add an on-screen display, show if you deal damage when you do not select any target or target's nameplate out of screen
    * can change on-screen position, scale and alpha
* if deal damage to one that it's nameplate is out of screen, and your target's nameplate is on-screen, then damage text will be shown on the target's place
* help wanted: russian translation