renamming
Add image extractor functor 3D -> 3D from ref points
merging with the master, solving small conflicts
Add begin() and end() to Statistic.
Add histogram class and test.
Add CBinner concept.
renaming in ***DSSIterator.cpp
using BOOST_STATIC_CONSTANT in iterator/circulator traits
ignore install
Fix doc, concepts. Minor code fixes.
Merge branch 'master' of github.com:DGtal-team/DGtal into ImproveStatistic
Add math concepts.
Update boost.dox.
Update ChangeLog.
itk writer architecture
add image concept
indent and rename image files
actually write the image
exception handling in writer
extensive tests