minor docstring change
flake8
Adding test for trace resampling.
Small bugfix event plotting
Fixing WADL downloading if they are not existant.

We made some changes regarding the exception handling
from HTTP requests. These need to be caught when requesting
WADLs.
Converting resampling test to unittest syntax.
Merge branch 'releases'
Compatibility with Python 3.
try to correct exception handling in fdsn.client
uups, reason must not be alway a string...
Seperating function arguments with a double colon.

The previous literal syntax was extremely hard to parse again. This
should make it much easier.
skipping test_CatchOutput for python3

see #743

CatchOutput does not work as expected on Py3k. E.g. it does not catch
shared C library prints on Py3k. It also catches the outputs in an OS
dependent manner on Py3k.

This context manager is used for tests only. Therefore, it is save to skip
the test for Py3k.

If we cannot get a working CatchOutput on Py3k, we could also just replace
it with a dummy, as it does not have any influence besides a little bit
cluttered test log.