- fix build issue in Unvirt and LibCmo
- due to we use UTF8 string. the accessible value generator in EnumsMigration need to be changed at the same time.
- remove string helper in Unvirt because we no longer need it.
- establish BMapSharp project for future development.
- refactor EnumsMigration. add csharp code output for it.
- add README for VectorGen and modify other READMEs.
