fix a bug in Trace.attach_response()
docstrings
fdsn: add option `attach_response=False` to Client.get_waveforms() and
Client.get_waveforms_bulk()
add info on USP fdsn/arclink services
fdsn: docstrings and minimal test for fetching waveforms with response
attached
Fixing FDSN doctests.
Added MANIFEST.in.

Setuptools and numpy.distutils do not play nice with each other. The
file is needed for working source distributions.
deb: add python-mock in "recommends"