rm-logfiles

Now proof of Ord_jump_cardinal uses
ordertype_pred_unfold; proof of sum_0_eqpoll uses bij_0_sum; proof of
sum_0_eqpoll uses sum_prod_distrib_bij; proof of sum_assoc_eqpoll uses
sum_assoc_bij; proof of prod_assoc_eqpoll uses prod_assoc_bij. Proved
well_ord_cadd_cmult_distrib.

#! /bin/sh
#rm-logfiles: remove useless files from subdirectories
rm log */make*.log */make*.log.gz
rm */test
find . -name '.*.thy.ML' -print -exec rm {} \;