Initial commit to test Travis without the new features
Modified `numbers.py` and spelling tests added
Updated inline documentation
Repairing the test suite due to changes in pytz
simplify the cldr_modulo() implementation
merge branch 'spelling' from blagasz

https://github.com/blagasz/babel
remove randomness from doctests

When traversing or printing dictionaries and sets, the ordering is not
guaranteed across runs (due to Python using a different random seed for hashing
strings on every execution).  Reference:

    https://docs.python.org/3/library/doctest.html#warnings