fdsn: setting up new submodule basic structure
fdsn: add key for new FSDN webservice at NCEDC
fdsn: docstring for previous commit
Merge remote branch 'upstream/obspy.fdsn' into obspy.fdsn
URL building for the FDSN submodule.
Added WADL file downloading.
Added WADL parser including tests.
Merge remote-tracking branch 'upstream/master' into obspy.fdsn
Done with WADL parsing.

Now maps the short names of the parameters to their proper long names
when necessary. Furthermore a dynamic help function for the different
services is now available.
Two more WADL files with no given types.
WADL parser can now deal with parameters without types.
Special handling for the USGS event WADL.
Improved error handling.

Added a sensible exception in case no services are being discovered at
the chosen endpoint.
WADL parser now warns if some parameters are missing.
Updated license notes.
Finished service specific help string.
First version of waveform retrieval.
Waveform downloading works.
Added event service.
Added "format" to the list of not-used parameters.