Make VideoPlayer::playVideo block until the video finishes
Handle hit chance and damage calculation

Math is based on what the UESP describes, with some tweaks (using
fatigue term, and the fCombatCriticalStrikeMult GMST):
http://www.uesp.net/wiki/Morrowind:Combat
Try to figure out what gets hit

This isn't the greatest. The distance multiplier is a guess, and a sphere cast
may be better.
Fix hit chance calculation
Merge remote-tracking branch 'scrawl/master'
Fix always false comparison

SDL_GetWindowWMInfo result of type SDL_bool (SDL_TRUE = 1 or
SDL_FALSE = 0) should not be compared to -1.
esmtool: fix swapped comparison operators