initial
vigra-namespaced, fixed operator-- bug and updated to newer vigra
(using ImageIterator::reference now)
adoption to new build system
put everything into namespace vigra
some more obvious variable names
- put everything into namespace vigra
- include file name fixes
- DIter1/2 -> DIter
re-indented one-line ;-)
cosmetic changes only
- some renames of functions and variables
- using namespace FourEightSegmentation now
- output more images in watershed.cxx
- dependancy handling in Makefile
some more formatting and variable renames
- added new neighboroffsetcirculator and neighborhoodcirculators to
  pixelneighborhood.hxx
- added test program for them
- adopt foureightsegmentation and findsaddles to use them
grr, I new that could not work, but the test program was not compiled per
default
further code cleanup and variable renaming
- reverting most of last commit in favor of a working version
  (using the old NeighborCirculator)
correct debug output and part of new debug image saving (#if 0'ed)
add binaries to "clean" target
use CellImage instead of two images and use NeighborhoodCirculator from
pixelneighborhood.hxx instead of customized one
use new template parameters of NeighborhoodCirculator
changed configurations.h => celltypes.hxx
added rule testconfigurations