Merge pull request #986 from FHenry/3.4

Fix [ bug #911 ] Reorder intervention do not work
Fix: Removed useless file (not correctly defined) to avoid cache
problems
Merge branch '3.4' of git@github.com:Dolibarr/dolibarr.git into 3.4
Fix: Error with jmobile
Fix: Syntax error
Merge branch '3.4' of git@github.com:Dolibarr/dolibarr.git into 3.4
Fix: Clear of list broken
[ bug #914 ] It is not possible to validate a supplier invoice
Fix: Trad categories more accurate
Change comment on dol_include_once method
Merge branch '3.4' of https://github.com/Dolibarr/dolibarr.git into 3.4