made some restrictions to Scalers and also added some notes about this
Merge branch 'master' of https://github.com/thorbenk/ia13project
raise NotImplementedError() instead of returning it
implemented python script to get an opengm graphical model

The code needs the opengm fork  from thorsten beier
   https://github.com/DerThorsten/opengm
intial labels
remove some generated files and add to .gitignore
fix relative path and add .gitignore in Max's code
implemented superpixels
update
Merge branch 'master' of https://github.com/thorbenk/ia13project

Conflicts:
	lables/h52png.py
fixed unfinished merge
added some more descriptions to what should be done.
features: implemented the supervoxel feature processing
implemented supervoxel features size and PCA
added calculation of principal component directions, corrected minor mistakes
Add Laplacian, magnitudes, Hessian and structure tensors
Merge branch 'master' of https://github.com/thorbenk/ia13project
SVD stuff
update
Merge branch 'master' of https://github.com/thorbenk/ia13project

Conflicts:
	gm_module/.gitignore