Code completion and navigation for field names

[trinhanhngoc]

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