First deliverable

This first deliverable contains:

* The coding style (doc/coding_style.tex)
* A methodology document explaining our approach and describing interaction between team members and with the client (doc/client/methodology.tex)
* A layout of the project organization.
* The lexer and parser module.
* A build system using ocp-build.
* The top-level module.
* A few tests.
* A beautiful logo.