po: add po/si/admin.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/batch.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/campaign.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/case.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/common-components.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/contribute.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/countries.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/drupal-civicrm.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/event.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/extension.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/financial.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/grant.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/hrdcase.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/mailing.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/member.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/menu.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/pcp.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/pledge.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/si/project.po (pulled from Transifex.net by CiviCRM l10n maintainer)