[IMP] webclient entry point controller
[ADD] Client.client_options
[FIX] webclient reference
[IMP] Database selector and manager
[FIX] database manager link
[FIX] support client_options.action and client_options.post_login_action
[FIX] correctly manager login query param
[FIX] webclient bootstrap constructor first parameter
[IMP] forward debug query param in database manager link
[IMP] Replace html_template by webclient_bootstrap for /web/ route
[IMP] update TODO
[IMP] Do not send button's name in form.

Will require some styling tough
[IMP] Use qweb template for login and webclient bootstrap

The database manager should be rewritten server side
[ADD] login container
[ADD] redirect option to /web/login
[FIX] remove login overload from web_hello module
[IMP] Always allow /web/session/logout even if not logged in
[IMP] login user at db creation
[REM] Removed Login from webclient
[ADD] javascript hooks for LoginForm and debug forwarding