Fix: Removed warning
Fix: Move not stable feature as experimental. Disabled box by default
because there is still some bug (pgsl support, filters) and major
problem to solve (it slow down seriously Dolibarr, result not accurate
for some status).
Remove bad retrun parameters
Fix: Bad menu def
Merge pull request #610 from FHenry/3.3

Remove bad retrun parameters
Fix bug [ bug #692 ] Can't search for suppliers invoice
Fix Bug [ bug #681 ] Can't modify a line a business proposal
Merge pull request #613 from FHenry/3.3

Fix bug 692, 681
Merge remote-tracking branch 'origin/3.3' into develop

Conflicts:
	htdocs/core/boxes/box_activity.php
	htdocs/filefunc.inc.php