skip installer cleanup, add distribution support for installer
installer udeb packages, sample mirror.list for amd64, updated CHANGELOG
added empty lines in README
added MANIFEST for net/kvm install
i386 & amd64 mirror list for Ubuntu 12.04
download threads back to default
excluding downloaded gpg files from cleanup list
added missing semicolon
Added logic to prevent installer from overwriting mirror.list
Merge pull request #1 from papamoose/installer

Added logic to prevent installer from overwriting mirror.list
Mirror spelling fixes.
added logic to prevent the overwrite of postmirror.sh
fixed typo
Merge pull request #3 from papamoose/installer

added logic to prevent the overwrite of postmirror.sh and minor spelling fixes
Merge pull request #1 from inntran/master

debian-installer udeb packages download, excluding installer files from cleanup