setup: Tweak joystick axis widget.

Reduce the width slightly (the previous size was excessively wide) and
tweak "none" string to match the joystick button widget.
Merge branch 'master' of github.com:chocolate-doom/chocolate-doom
power-up sound only audible for consoleplayer
Warning fixes (23 remain...)
Fix finding of voices.wad when -iwad is only hint

Somebody broke this by using sizeof() on a malloc'd char *
re-implement berserk pow sound on a per-player basis
setup: Add gamepad config for XBOX One controller.

The XBOX One controller apparently appears identical to the Xbox
360 controller. Thanks Brad Harding.
Merge branch 'master' of github.com:chocolate-doom/chocolate-doom
move view centering code from P_MovePlayer() to P_PlayerThink()

to avoid code duplication in P_DeathThink()
and allow for smooth view centering after teleporting when (player->mo->reactiontime > 0)
Merge branch 'master' of https://github.com/chocolate-doom/chocolate-doom