[FIX] session expired
[FIX] web: openerpframework.js: do not use _.str

openerpframework.js can be used as standalone library (im_livechat uses
it this way) and do not depend on underscore.string.js
[FIX] web_kanban_gauge: set auto install True

case: web_kanban_gauge has been added in the dependance of sale_crm. This module used to auto install when module sale and crm were installed. With this new dependance, the module sale_crm auto install when sale, crm and web_kanban_gauge are installed. We auto install kanban gauge so sale_crm auto install on installation of crm and sales, as web_kanban_gauge will be already installed
[FIX] filter the context keys only on the result action of the button
[FIX] when executing action received from a button call, set active_id and active_ids if there is one, remove existing if not; always set active_model
[FIX] web: context propagation was broken on buttons of action and object type.

The context on the button must be propagated to the resulting action
[MERGE] forward port of latest saas-2 until rev 3893 dle@openerp.com-20131218112416-2vtaq442qo8opq4u