changelog
Merge branch 'docMinor' of https://github.com/dcoeurjo/DGtal into DSLsubsegmentRelease

Conflicts:
	ChangeLog
merge
add simple test file
slight modification of simple test file
Merge branch 'masterDGtal' into DSLsubsegmentRelease
minor modif in the doc
conflict resolved
replace benchmark test file by unitary like test file
small edit
add tests
minor edit
test float version -> to be finished
test float - continue
small edit in test file
very simple test
remove old test file
resolve conflict
modify example file + add exception in case of a bad argument in the constructor
small correction