Admin/polyml/polyml

introduced direct proof reconstruction code, eliminating the need for the "neg_clausify" method;
the code is still somewhat experimental but any exceptions it throws are catched, and Sledgehammer will still yield a one-line metis proof in case of proof reconstruction failure

#!/usr/bin/env bash
#
# Minimal Poly/ML startup script

THIS="$(cd "$(dirname "$0")"; pwd)"

export LD_LIBRARY_PATH="$THIS:$LD_LIBRARY_PATH"
export DYLD_LIBRARY_PATH="$THIS:$DYLD_LIBRARY_PATH"

exec "$THIS/poly" "$@"