Merge meshes more effectively.
Add an option for defining a variable facet length.
restructure data/ (remove one level).
restructure data/ (remove one level).
Merge branch 'master' of github.com:eolivi/openmeegEOlivi
Merge branch 'master' of github.com:eolivi/openmeegEOlivi
Merge branch 'master' of github.com:eolivi/openmeegEOlivi
Merge branch 'master' of github.com:eolivi/openmeegEOlivi
Merge branch 'master' of github.com:eolivi/openmeegEOlivi
Merge pull request #47 from eolivi/master

mostly restructure data/. And add a CGAL option