Added new Site object.
Adding test file with all station information.
Merge branch 'master' into obspy.station
Making the station example file more complex.
Reading stations works.
Implemented XML comparision helper function.
Writing station tag works.
Channel class now has some content.
No more kwargs passed on the the parent class.

Only explicit arguments will be passed on. Eases documentation a lot.
Speeding up triggerOnset with deque

- will bring a big speed up, when the trigger list is very longish
- proposed by
  http://pyvideo.org/video/1780/transforming-code-into-beautiful-idiomatic-pytho
Being more pythonic, refactoring

- using else statements in for loops
- proposed by
  http://pyvideo.org/video/1780/transforming-code-into-beautiful-idiomatic-pytho
new options in waveform:
linestyle
grid_color
grid_linewidth
grid_linestyle

remove the linewidth in the _plotEvent

documentation in stream updated
":param data_unit:" documentation corrected
pep8 style correction in  waveform.py
Revert "pep8 style correction in  waveform.py"

This reverts commit 35a523917eb9019309c28396818c4b904042c947.
pep8 style correction in waveform.py
add option "prefix" (default "obspy-") for NamedTemporaryFile
Merge pull request #546 from megies/tempfile_prefix

"obspy-" prefix for temp files
Added a real world, large StationXML file.

Taken from the IRIS webservice and modified so it validates against the
schema. Thus not all values are necessarily correct.
mpty message aborts the commit.
Namespace bugfix
Improved inventory string representation.