Add The base accountancy belgium plan for accounting - Thanks delcroip

http://www.dolibarr.fr/forum/12-howto--aide/47966-pcmn-plan-comptable-minimum-normalise-belgique
Delete rowid in case of an other accountancy plan already exist.
Kill clics - Accountancy in product card - Not display accountancy_code when module (comptabilite | accounting | accounting expert) is disabled
Update copyright
Merge branch 'upstream/develop'
Merge pull request #1404 from aspangaro/develop

Add The base accountancy belgium plan for accounting - Thanks delcroip