isPasswordValid returns a boolean value, so we should check it's true
rather than <= 0

method signature should not contain self

If it is the case *and* the action script does not redirect, the password will be
in user's browser history.
There can be two different reasons to not redirect:
- not following the API (ie, intentionally not redirecting)
- letting an exception reach ZPublisher
Also, if the non-redirection causes an HTML page to be rendered, resources
loaded by that page will have a referrer containing the password, leaking it
to potentially foreign servers.

obj.convert(format="png") != obj.convert(format=u"png")

When checking constraints, ignore lines where the node is an acquired
organisation, we should only consider lines where node is an account.

erp5_travel_expense: Improve Front page and fix CSS on image modal

erp5_travel_expense: Router redirect to front page

erp5_travel_request: Add missing Preference PropertySheet

erp5_travel_expense: Add mission Administration

erp5_travel_expense: Add missing category

erp5_travel_expense: Make Expense document publication customizable by script

erp5_travel_expense: Add mission jio_view action on Service

erp5_travel_expense: Also remove Title from expense view in app

erp5_travel_expense: Remove all form of titles

erp5_web_renderjs_ui: Wait the jio database creation before render the panel because createJio is an asynchronous method

In erp5_launcher_nojqm.js, panel is rendered without wait the jio database
creation. Then, if we call any jio method in panel, the application raises an
exception because there is no storage.

Fixes [#20161227-D1FA4](https://nexedi.erp5.net/bug_module/20161227-D1FA4)

Also modernize code by using set() and not using
ERP5Site_getAuthenticatedMemberPersonValue

it should be displayed if user can add a credential update