Added ability to delete the draft revision; [SECURITY] fixed lack of permission check on draft save; renamed messagebox() constructor to MessageBox() (backward compat. maintained)

#!/bin/bash
for f in *.svg; do
    echo Converting $f
    fname=`echo $f | cut -d '.' -f 1`
    rm -f $fname.png
    inkscape -z -f $f -w 22 -h 22 -e ./$fname.png
done