[FIX] prevent an incorrect state in autocompletion

When going up and wrapping around, the focus was on a hidden separator,
so hitting enter = stacktrace.  Now, the focus goes on the last
selectable list item.-
[FIX] im_chat, im_livechat : style, js notification and bundle without achtung lib
Merge pull request #846 from odoo-dev/master-autocomplete-quick-fix-ged

[FIX] prevent an incorrect state in autocompletion
[FIX] tour.js: tour shop

wait that the snippets are loaded before clicking on the picture and open the media editor.
[IMP]Avoid inconsistency in Order Planning Calendar view and Manufacturing / Order Planning Calendar view: Create MO, confirm production and save the record, the record is not displayed until you refresh the view.