added gitignore to prevent commits of test output
added gitignore to prevent commits of test output

mitenjain/nanopore,benedictpaten/marginAlign,mitenjain/nanopore,mitenjain/nanopore,isovic/marginAlign,mitenjain/nanopore,mitenjain/nanopore,mitenjain/nanopore,isovic/marginAlign,mitenjain/nanopore,mitenjain/nanopore,benedictpaten/marginAlign,benedictpaten/marginAlign