fixing some resample test failures in master
Fix Py3 failures in QuakeML tests.
Add version-specific PyPI classifiers.
evalresp: Reset another global variable.

This should fix another error message producing garbage text.
Fix type of evalresp.curr_file.
fix xml comparison in stationxml tests for empty tags with multiple
attributes
stdout catching in tests..

 - suppress some stdout two evalresp tests
 - adapt CatchOutput context manager (decoding issues with special characters in combination with python-future)
deb: adapt control fields (depends/recommends etc.)
Merge branch 'master' into deb_python3
minor plotting workaround for older matplotlib versions