Clean up network control section.
Implement hddtemp_etc_t for /etc/sysconfig/hddtemp. The advantages are:
- hddtemp_t no longer needs access to read all generic etc_t files.
- allows us to implement a meaningful hddtemp_admin()
Signed-off-by: Dominick Grift <domg472@gmail.com>
Signed-off-by: Chris PeBenito <cpebenito@tresys.com>