build-scripts/:
- configuration_information.sh:
    - Automatically detect the osc user. Deduce the osc project.
    - Improve space handling in the variables name.
- Reorganize slightly and clean. Add " " around variables.
- Do nothing after running buildout. It allows to work on other projects during the compilation time. Create a new stage.
- Rename the scripts. Add and rename some variables.
- Restore the buildout files retrieving using git clones (rather than copying a model in the current filesystem).

templates/compilation-templates/: Change a macro according to a new variable name.

Makefile: Update.
- Supports both numbered and unnumbered names.
- Update for renaming and stage addition.
- Add an after_build target and fix some details.