fix non install of sliceViewer in cmake
Merge pull request #186 from kerautret/fixSliceViewerInstall

fix non install of sliceViewer in cmake
fix color and DGtal iterator changes
reload travis and changelog
Merge pull request #189 from kerautret/EditMeshViewer

fix color and DGtal iterator changes
Merge branch 'master' of https://github.com/DGtal-team/DGtalTools