Try to remove warning
Fix: Try to add code to provide easy way to fix warning on timezone not
defined.
Fix: A better to fix to manage automatic creation of code for import.
Merge remote-tracking branch 'origin/3.5' into develop
Fix: Use correct vat rate into text cases.
Qual: Next step cleaning date functions.
Qual: Complete phpunit test case for dol_mktime to check dayling saving
time is correctly managed.
Qual: Still working on cleaning code for timezone management.
Code comment
Removed not used keys
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
remove debug string