Update slackConfigROOT.sh
add libxshmfence for steam
update slackpkg+
update slackpkg+
make libxshm only install on 64 bit

since it is already present on 32 bit
make libxshm only install on 64 bit

since it is already installed on 32 bit
Merge pull request #12 from ryanpcmcquen/master

slackpkg fixes and enhanced steam compatibility