bug 863259, support both all- and shipped-locales.
Mozilla.util is shared code with locale-inspector
make tests run via unittest discover, and MPL 2
python -m unittest discover Mozilla/tests

--HG--
rename : lib/Mozilla/tests/unitChecks.py => lib/Mozilla/tests/test_checks.py
rename : lib/Mozilla/tests/unitDTD.py => lib/Mozilla/tests/test_dtd.py
rename : lib/Mozilla/tests/unitIni.py => lib/Mozilla/tests/test_ini.py
rename : lib/Mozilla/tests/unitMerge.py => lib/Mozilla/tests/test_merge.py
rename : lib/Mozilla/tests/unitProperties.py => lib/Mozilla/tests/test_properties.py