[FIX]: Changed types to orm.Model, orm.TransientModel and orm.AbstractModel.
[FIX]: Fix deletion method for some fields of objects.
[FIX]: Contributions have been written in the standard format of the community.
[FIX]: Changes in the form to work as a real wizard.
[FIX]: Remove 'init_xml' keys, because it's no longer needed in v7.
[FIX]: Rename 'demo_xml' key to the new standard 'demo'.
[FIX]: Change imports calls.
[FIX]: Remove __author__ variables in files, because authors are put on manifest file (__openerp__.py).
[FIX]: Update view definitions to version 7.0
[FIX]: Rename variables to OpenERP standard.
[FIX]: Increased compatibility with standard PEP8.
[IMP]: User Invitu add the method call _reopen to keep open the wizard.
[MRG]: User Invitu add frech language.
