Log Message:
tyrquake: Update to 0.62

Changes:

* Model animation/movement interpolation (r_lerpmodels, r_lerpmove cvars)
* SDL video/input/sound target, now default for MacOS instead of X11.
* sndio sound target for OpenBSD (thanks Tony Spets/Jacob Meuser)
* Support for BJP1/2/3 and FITZ(666) network/demo protocols
* Support for Darkplaces and RMQ style BSP2/2PSB file formats
* Work around buggy timers on some windows systems/drivers (thanks MH!)
* Removed vid_win dependency on SciTech MGL (thanks MH!)
* Netmasks can be used with qwsv's addip/removeip; e.g. "addip \ 
192.168.0.0/24"
* Fixed remote screenshots from QWSV
* Improved build system including new OSX, Win64, SDL targets
* Lots more code sharing between NQ/QW
* Use non-power-of-two OpenGL textures when extension is available
* New cvar "m_freelook" to replace need for manual editing \ 
"+mlook" in config