fix issue where validation errors were collecting/repeating
move dev/opt requirements entirely into setup.py
switch to nose for unit tests
update readme test example to use an eulxml test
add travis-ci build status to readme
remove references to deleted testcore
pep8/linter whitespace cleanup
try setting an empty http proxy for schema loading in unit tests
skip schema-validation tests when no HTTP_PROXY is set
revert empty proxy env for unit tests
revise command for installing dev deps
skip all unit tests that require schemas when no http proxy is configured
use unittest2.skipIf for python 2.6 compatibility
fine-tune schema tests to be skipped when no http proxy is set
revise test skipping to be a bit more readable
try a different way to test schemas with proxy
if code directory is not writable, store parser generated files in the default python tempdir
Merge branch 'feature/nosetests' into develop