[IMP] tour.js: raise an error when phantomjs run a tour and an other running tour has been detected.
Merge pull request #853 from odoo-dev/master-tour-kill-log-chm

[IMP] tour.js: raise an error when phantomjs run a tour and an other running tour has been detected.
[FIX] website_forum: fixed last merge done a bit quickly: addd can_answer functional field, fixed edit_answer and edit link / route.
[IMP] Lazy module_boot() loading

Removed 'modules' item in ir.ui.view rendering context.
Replaced by lazy helper get_modules_order
[IMP] accounting: modify writeoff_ammount display in payment wizard