Add ref supplier as column and clear varialbes in double
Merge branch 'develop' of https://github.com/Dolibarr/dolibarr.git into develop
Update es_ES from transifex
Update es_ES from transifex
Merge pull request #1501 from FHenry/develop

Add ref supplier as column and clear variables in double
Fix: [ bug #1306 ] Fatal error when adding an external calendar
Merge branch 'upstream/develop'