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.
Improved translation

holiday translation
Kill clics - Accountancy in product card - Not display accountancy_code when module (comptabilite | accounting | accounting expert) is disabled
Update copyright
Improved translation

Portuguese translation
Fixed: Write note into field "note_private" in llx_facture ("note" deprecated)
Merge branch 'upstream/develop'
add hook "doActions" on supplierprice form
Uniformize code for contacts forms.
Merge pull request #1408 from atm-gauthier/develop

add hook "doActions" on supplierprice form
Fix: doxygen
Add link to social networks into reade
Merge pull request #1407 from modula71/develop

Fixed: Write note into field "note_private" in llx_facture ("note" deprecated)
Merge pull request #1405 from ricardosequeira/develop

Improved translation
Revert "Improved translation"

This reverts commit ec8f664085862c4af02333d67f255d93e04fc609.
Merge pull request #1404 from aspangaro/develop

Add The base accountancy belgium plan for accounting - Thanks delcroip
correction : delete trigger must be called before the delete of object
Merge branch 'develop' of https://github.com/Dolibarr/dolibarr into develop