Creation of the "wip" branch

Common gitignore

No documentation
Gitignore (bis)
Just adding the aliases as view functions

I don't think it was really required as the file is included by the
Composer autoloader ... this has to be tested :(
OUPS - a typo in the composer file
Correction in the "views-functions" setting for Template Engine
Case of a cURL request which may not have 'HTTP_ACCEPT_LANGUAGE' header
Corrections
New settings according to atelierspierrot/atelierspierrot/commons/MODEL.php + correction
New demo models
Merge branch 'wip'

Conflicts:
	demo/index.php
	demo/twig.php
Upgrading to version 1.0.1

- PHP 5.4 corrections
- new demo models
- new composer.json