Admin/polyml/polyml

changing compilation to work only with contexts; adapting quickcheck

#!/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 "$THIS/poly" "$@"