Merge pull request #984 from FHenry/3.4

Fix [ bug #895 ] Description is lost when adding a new predefined
Fix: Bug erase member data
Fix: cyclic updates
Fix: Pb in synchro update
Fix: Bad field size
Fix: More consistent fix
Fix: wrong field name
Fix: Dir with linked files was not renamed when invoices was renamed
with its final ref (linked files were lost)
Fix: Ref visible into message was wrong.
Fix: Bad counting of product/service available
Merge branch '3.4' of git@github.com:Dolibarr/dolibarr.git into 3.4
Merge branch '3.4' of https://github.com/Dolibarr/dolibarr.git into 3.4

Conflicts:
	htdocs/install/mysql/migration/3.3.0-3.4.0.sql

Change-Id: I1754b68e9acdf1c7e6024afe95d9ded8e0726b41