[FIX] typo in odoo.py

Fixes #4203
[IMP] mail : add compose mail button on top menu to send private emails
[FIX] number of blogs by month according to blog/tags
work on pivot view
work on loading groups
work on expand headers
work
work in progress
remove web_graph addon
wip
work in progress
work in progress
work on graph view
add pivot view to leads analysis
work on pivot/graph view
work on export xls
work on pivot/graph split
separate graph view and widget
make better use for context
add pivot view to reporting