Toolbox: Minor changes.

- CMake: Fixed some minor problems with messages shown to the user.
- CMake: Minor changes.
- Doxygen: Minor changes.
- Make: Minor changes.
- HelloWorld: Minor changes.
Lua-Support: New templates. Minor changes.

- Fixed some minor problems with messages shown to the user.
- New templates.
Git-Support: Added staging of chunks.

- Individual chunks can be staged in the diff buffer.
- Smoother updating of buffers.
- Minor corrections.
Merge remote-tracking branch 'upstream/master'