command support types
export the fs implementation class symbols to let backend plugins access them
make the static properties holding the command support information in the
implementations public so backend plugins can change them
rename resizeInternal to resizeBackend in the resize filesystem job
svn path=/trunk/extragear/sysadmin/partitionmanager/; revision=1119648
fix the gazillion arg-unused warnings in the dummy plugin with plenty of
Q_UNUSED usage until the dummy plugin gets a little meatier.
svn path=/trunk/extragear/sysadmin/partitionmanager/; revision=1097717