MAINT: add Eclipse files to .gitignore
TST: translate regression doctest wp2d.rst to proper unit tests.
Merge branch 'regression-wp2d' into master.

See https://github.com/rgommers/pywt/pull/33
MAINT: make Travis CI run also on Python 2.6 (no argparse in stdlib).
TST: mark bytes/str issue with Wavelet string properties as knownfail in py3.
TST: fix error in test_multilevel.py.  This works with 0.2.2
Fixing merging issues