obspy/obspy — pull request #545 by bonaime (2013-04-12 13:29:50+00:00)
Title: Waveform enhancement

new options in waveform.py:
linestyle
grid_color
grid_linewidth
grid_linestyle

in waveform.py remove the linewidth in the _plotEvent

documentation in stream.py updated
":param data_unit:" documentation corrected

some pep8 style modification in waveform.py