Code completion and navigation for field names

[trinhanhngoc]

• Model attribute _inherits = {'...'}
• Model attribute _rec_name = "..."
• Model attribute _order="..."
• Model attribute _rec_names_search="..."
• api.onchange(...)
• api.depends(...)
• fields.One2many(inverse_name="...")
• fields.Field(related="...")
• fields.One2many(domain=[("...")])
• fields.Monetary(currency_field="...")
• BaseModel._fields["..."]
• Call arguments of common ORM methods
• XML record <field name="..."
• XML view <field name="..."
• XML calendar view <field avatar_field="..." write_field="..." filter_field="..."