v1.1

Global cleanup and end-to-end processing of nifti input files

• Doc updates + screenshots, filter fields rename
• Command line tool for generating the clusters file offline
• Command line tool for generating the edge file
• Accelerate the plugin execution, mostly by vectorizing the numpy instructions
• Fixing several bugs in the visualization filter as well as in the python functions (index issues)
• Adding a full test bed (kmeans, filter execution, isolated vtk or python function now tested)
• Global cleanup and improvements on the code readability, consistency on the dimensions of the manipulated arrays