typo fix
enable ip_forwarding
be explicit about the version of foreman_installer we are using.

happens to be the same as HEAD right now
move env var that user may have to change to top
ugo+x on the scripts
add subscription-manager hint
add shebang
change /root to $workdir
move generation of foreman_client.sh into foreman_server.sh

mainly because we want $PUPPETMASTER set correctly in it.
Merge pull request #1 from cwolferh/master

Wholesale changes