* The compiled templates are cached per user, lang, inherit context values
* ir.ui.fields: attributes method return an dict, and record_to_html return only the content value of the field
* all rendered text use build_text and all attributes use build_attribute
* t-esc-options is removed and replace by format_value method
* AssetsBundle receive the list files and remains
- add or fix decorators on methods
- fix most compute methods (wrong dependencies)
- revert changes in `eval_context` of `ir.actions`
- various code simplifications and improvements
- migrate methods that were not
- ir_qweb: modify `QWebContext` to take an environment instead of `cr`, `uid`, `context`
- ir_qweb: convert `AssetsBundle` to use new API `env`
- ir_ui_view: use decorator `multi` on method `read_combined`
- ir_ui_view: ensure that method `render` is never called with an xml_id
- ir_ui_view: factor out part of the `ormcache` key of method `_read_template`
Christophe Matthieu