Made convert_examples just use load_examples (which now accepts a list of dictionaries in addition to paths). Also got rid of a few one-line helper functions that were only used at one place.
Made convert_examples just use load_examples (which now accepts a list of dictionaries in addition to paths). Also got rid of a few one-line helper functions that were only used at one place.

ernfrid/skll,ernfrid/skll