Update firefox-bin to 33.0.3
sympy: minor updates

- Specify meta.license
- Download from pypi rather than github
Merge pull request #4873 from taku0/firefox-bin-33.0.3

Update firefox-bin to 33.0.3
Update firefox source build, too
Merge pull request #4872 from joachifm/sympy-fixes

Sympy fixes
Add 'pycdio', a Python wrapper for libcdio.
Add package 'morituri', a CD ripper.
Merge pull request #4877 from rycee/morituri

New packages 'morituri' and 'pycdio'