Bugfix release - indexers, gallery, configurable products, upstream fixes
Several fixes:
- Update readme
- Fix reindex cli script call
- Fix for attribute set import
- Fix for adding configurable product variants
- Fix for newer PHP versions
- Update ajax_gettime.php - htmlspeciarchars
- Use strict comparison when comparing values
- Obtaining the safe_mode config has incorrect closing parenthesis
- Division by zero fix
- Use store id when creatng url rewrites
- Fix for update image label