adding convertVol a simple tool to convert 3D image vol
Merge branch 'master' of github.com:DGtal-team/DGtalTools into GenericConverters
export update
minor edits reload travis
changelog update
Merge pull request #48 from kerautret/GenericConverters

adding convertVol a simple tool to convert 3D image vol
Merge branch 'master' of github.com:DGtal-team/DGtalTools into cropVolumeTool
merge from master