Bump version number of master branch
Currently it is 2.4.0 which leads to some problems in specific settings, see /core/dune-common#34. These could be resolved be adhering to th version scheme of the core dune modules.
Currently it is 2.4.0 which leads to some problems in specific settings, see /core/dune-common#34. These could be resolved be adhering to th version scheme of the core dune modules.