CRM-13354: Fix support for locale detection from the domain (in Drupal), when the site is in a sub-directory (base_path() returns the subdirectory).
Merge pull request #1875 from mlutfy/crm13354

CRM-13354: Fix support for locale detection from the domain (in Drupal), when the site is in a sub-directory (base_path() returns the subdirectory).