I would like to propose that we add compression to handle all policy files on disk.

[Daniel J Walsh <dwalsh@redhat.com>]

We are currently storing three sets of pp files on disk in Fedora as 
well as a policy.21 file
To get an idea of how much space we can save, I did this little 
experiment.    I believe this change is
critical for minimal installs, and if we want to eventually use SELinux 
on certain small platforms.

I think just changing libsemanage to handle compressed policy packages 
and to create its itermediary files as compressed files and changing 
libselinux able to read a compressed policy.21 file.

# tar cvf /tmp/selinux /etc/selinux/targeted /usr/share/selinux/targeted/
# gzip -c /tmp/selinux > /tm/selinux.gz

# du /tmp/selinux*
57380   /tmp/selinux
3772    /tmp/selinux.gz


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