Fixed bug: removed missing command.
Removed PAM config for su. Configure file with hook if necessary.
Added iptables rules for limiting access to proxy services.
Install polipo.
Added logging for traffic that is being dropped in iptables (for debugging).
Merge branch 'dev' into dans

* dev:
  Added logging for traffic that is being dropped in iptables (for debugging).
Added better handling for invalid packets (REJECT instead of DROPping), allow ping etc.
Stub for security scanning script.
Configure dansguardian and polipo.
Restructured files.
Added stub for command config.
Added stub for browser command.
Added TODO item.
Merge /vagrant/_live/digabi-live into dev

* /vagrant/_live/digabi-live:
  Added TODO item.
  Added stub for browser command.
  Added stub for command config.
  Restructured files.
  Install DansGuardian content filtering app.
  Added requirements for building Debian Official Kernels.
  Added README file for SourceForge project.
  Added pastebinit to suggests.
  Updated package.
Merge branch 'dev' into dans

* dev:
  Added TODO item.
  Added stub for browser command.
  Added stub for command config.
  Restructured files.
  Stub for security scanning script.
  Added requirements for building Debian Official Kernels.
  Added README file for SourceForge project.
  Added pastebinit to suggests.
  Updated package.
For now, do not limit HTTP/HTTPS traffic.
If we have root password, do not limit su only to wheel group.
Updated root/su configuration.
Added  command.
Added support for switching between global and user-specific config files.