iTennisLadder

- Added real-time notifications: challenges, match updates ...
- Added support for open challenges and match scheduling
- Added support for box ladders
- Added support for 5 set matches
- Ability to upload profile photo, set status and away notes
- Added phone, text messaging, and WhatsApp integration
- Enhanced players and teams Stats
- Added support for ladder seasons
- Added match location and challenges comments
- Enhanced ladder details and rules display
- Added help
- Other minor fixes