new 'all' method in OutputSensitiveXXX and output-sensitive method added to toolDisplay
little correction
modifications on cascade in other files (tests fail)
merge branch with AlphaShapeBug
cmakelists files
 cleaning OutputSensitiveAlphaShape and its associated test
rebuilding algo
 using cmake to build the project instead of make
add comments
 fixing merge conflicts
 adding forgotten CMakeLists.txt
 cleaning OutputSensitiveAlphaShape
Merge branch 'master' into AlphaShapeBugCleaningTL