- add missing authors
- use reduced license header
- move models in models directory
- adapt views
- show firstname, lastname only in edit mode
- use company_type in views instead of is_company
- adapt constraint on contacts
```
ERROR openerp_test openerp.sql_db: bad query: ALTER TABLE "res_partner" ALTER COLUMN "lastname" SET NOT NULL
Traceback (most recent call last):
File "openerp/sql_db.py", line 230, in execute
res = self._obj.execute(query, params)
IntegrityError: column "lastname" contains null values
```
Dave Lasley
Yannick Vaucher
Jairo Llopis
Sandy Carter
Lorenzo Battistini
unknown