use the new increment/decrement Major/Minor/Patch version numbers for MetacelloSemanticVersionNumber and MetacelloVersionNumber
implement commit log for configuration-based projects
release version implement for project list

- rework configuration commit logic ... don't attempt
  to update the configuration if there were no
  packages committed in this commit ...
fit edit project file bug ..
implement clone github project in project list

- `git clone` implemented
- TDMetacelloTool>>projectMap:toRepository:  implemented