0.6.0 released

Written for swan by A Brazhe on 2009-11-22

Pick up at http://pypi.python.org/pypi/swan.

Key changes:

+ Cones of influence (edge defects) in GUI and pycwt
+ New normalization of the EDS
+ Package structure is reorganized
+ Added zero padding by default (pads up to next power of 2)