Modern Events Calendar - Advanced Importer 1.3.5

- Optimized: Loading styles and scripts
- Fixed: Import CSV
- Fixed: Sync event link in .ics file
- Fixed: Facebook API permissions
- Fixed: Facebook importer

- Added: More info section in csv
- Fixed: Synchronize and schedule for Google API
- Fixed: Some minor issues

- Added: Price field to Eventbrite
- Fixed: Some minor issues