Add Openupgrade general function float_to_integer
Add analytic file and pre-migration file for module hr (no post-migration file needed)
change cr.execute() by logged_query()
Fix set_message_last_post call in post migration instead of pre migration
Some Pep8 fixes
pep8
pep8
update status for hr module
Merge pull request #35 from florian-dacosta/master

hr addon migration + add float_to_integer general openupgrade function