Changed to the new Possession Circle.

GFxHUD: Changed the Pos_Indicator to the new flash object. Fixed related functions.
no function naming or syntax was changed.

PR0PlayerController: Tried to get the health bar to zero, still doesnt work,
keeping it because it make no difference at the moment
Signed-off-by: mmuallem <melkar.muallem@hotmail.com>
Changed to the new possession indactor

added the proper gfx object, and fixed related functions.
functions' definitions were not changed.