preserving compiler flags for fortran

- simplifying setup.py
Merge pull request #493 from mbyt/fortran_flags

Works fine on OSX. Sorry for the late merge.
obspy.xseed.parser.getInventory: Remove duplicates

Removing duplicate networks and stations from
obspy.xseed.Parser.getInventory().
Merge remote branch 'upstream/master'
array analysis: correcting/clarifying docstring
Adding matplotlib dependency
Adding test data for css format support in obspy
- small bugfix for mutliple traces
Merge pull request #506 from martinvandriel/master

Small bugfix for plotting of TF represensentations
css: starting some work on testing and adding reference schema pdf
- some old CSS python readers; there are multiple versions of the CSS
  format, css28fix covers only version 2.8 using integer values; css2asc
  also covers float values in the binary files
correct mapping of data type strings
css: not-zipped test data again

the filename is specified by the css header file, so it probably makes
more sense to leave it not-zipped. would require hacking around that
otherwise, better avoid that.
css: general module setup
css: isCSS method + basic test
css: changelog message already ;), otherwise it might be forgotten
css: waveform plugin entry point
css: reading CSS waveform files + tests
css: adding missing __init__.py for tests
small docstring change