constructor
clean internals
added default range and const_range
domain and region agreement
headers
domain is cached
improved itkimage tests
typo
renamed udpate to updateDomain
out of experimental ns
updated doc
changelog
Merge pull request #696 from elcerdo/refreshItkImageContainer

Refresh itk image container
Merge remote-tracking branch 'DGtal-team/master' into test

Conflicts:
	tests/images/testITKImage.cpp