fix seg...

git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@939 af15c1b1-3010-417e-b628-4374ebc0bcbd
remove zombie USE_QS_CONBACK ifdefs

git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@940 af15c1b1-3010-417e-b628-4374ebc0bcbd
Host_Game_f: fix broken behavion if -gamedir is specified. (use com_basedir, not host_parms->basedir)
Modlist_Init: no need for -basedir check, just use com_basedir


git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@941 af15c1b1-3010-417e-b628-4374ebc0bcbd
reset all models and set mod_numknown to 0 upon gamedir changes.
fixes issue described at:
http://celephais.net/board/view_thread.php?id=60452&start=825
also see http://forums.inside3d.com/viewtopic.php?f=12&t=5509


git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@942 af15c1b1-3010-417e-b628-4374ebc0bcbd
remove unused var

git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@943 af15c1b1-3010-417e-b628-4374ebc0bcbd
update README files to reflect further 0.85.10 changes so far.


git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@944 af15c1b1-3010-417e-b628-4374ebc0bcbd
Add lowpass filter
tweak filter params