Add support for JPEG2000 Derivatives.
Merge pull request #27 from jpstroop/add_jp2_support

Add support for JPEG2000 Derivatives.
Update test suite to be active-fedora 7.0.0 compatible
Merge pull request #30 from projecthydra/af7

Update test suite to be active-fedora 7.0.0 compatible
Use a string rather than symbol when reading recipe from a hash
Merge pull request #29 from jpstroop/jp2_recipe_fix

Use a string rather than symbol when reading recipe from a hash.