[FIX] website_forum_doc: default stage for post + removed unused import + added toc_id field in post tree view
[FIX] im_chat : forget part of sql request, and fix ambiguous column name
[IMP] survey: display sum for numerical answers
[FIX] website_forum_doc: fixed last commit, wrong branch pushed (missing code review)
[FIX] Website_gengo: check API key with SUPERUSER_ID since private_key is really private
[FIX] Website translation pairing bug

I think we could get rid of the .trim() calls (for performance sake)
but I don't want to break anything so I'll leave them.
[FIX] pad: fullscreen pad behind the top nav bar
[IMP] display sibling documents in affixed menu
[ADD] github links from doc
Merge branch '8.0' into 8.0-fix-bank-reconciliation-ama