Adds a draft AUTHORS file.

Generated from:

    git log --format="%aN %ae" |sort -u > AUTHORS
    find ./ -type f -iname "*.scala" -exec perl -nle 'print "$1" if /^[^\n]+?\@author\s+([^\n]*)\s*$/' '{}' \; | sort -u >> AUTHORS
Removes obsolete author info.

Commit generated with:

    find -iname "*.scala" -type f -execdir perl -pe 's/^.*?\@author.*$//sg' -i '{}' \;
Obfuscate AUTHORS file to avoid spammers collecting email