Fixing f-1 function in image adapter
fixing travis
WIP
Fix
XXXOutputRange => XXXRangeWithWritableIterator
changelog
Merge pull request #850 from troussil/OutputRange

XXXOutputRange => XXXRangeWithWritableIterator
Merge pull request #835 from dcoeurjo/ImageAdapterFix

Fixing f-1 function in image adapter
Merge branch 'master' of https://github.com/DGtal-team/DGtal into PGM_P2_BROKEN