Doc: add images for the description of the Marker-controlled Watershed and Morphological Segmentation plugins.
Doc: continue writing the documentation of segmentation plugins and add new way of showing code.
Doc: add new style file to allow easy alternating on code background color.

Style file by Martin Scharrer. More info at: http://tex.stackexchange.com/questions/18969/creating-a-zebra-effect-using-listings
Doc: make all code listings change background color every new line.