Issue #154: Make the taxonomy entities classed objects.
Issue #157: Update README.md
Issue #154: Restoring is_new flags for API consistency. Pulling in changes to Taxonomy tests using real objects.
Issue #154: Applying patch to prevent EFQ regression: https://drupal.org/node/1550454.
Issue #154: Correcting tests related to making Taxonomy terms real objects.
Merge pull request #123 from quicksketch/154/taxonomy_classes

Issue #154: Convert taxonomy objects into real classes.