don't parse \ characters when reading sav files or map entities, let the

don't parse \ characters when reading sav files or map entities, let the
ParseEpair function take care of \n and nothing else (and not if it's a
wad key)
this should fix compatibility with the quake map solstart.bsp which has
a \ character at the end of the wad value, also affecting a couple other
maps but not as badly

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8224 d7cf8633-e32d-0410-b094-e92efae38249