Reviewed-by: iustin

- Clean generated files on “make maintainer-clean”.
- Build _autoconf.py and ganeti.initd on “make all”.

Reviewed-by: iustinp

variables. The underline is there to mark it as a private module.

Reviewed-by: iustinp

- Bump version number to 1.2b2
- Add version.py file generated from version.py.in by autoconf

Reviewed-by: schreiberal

- Add Makefile in doc/examples/

Reviewed-by: schreiberal

- Cleanup

Reviewed-by: iustinp

Reviewed-by: iustinp