A reminder for everyone to upgrade to v0.9.3.0

Required update for all users.

Changes:

- TOR support.
- Hard fork for master nodes reward increase (35% ~end of Sep and 45% ~end of Oct).
- Masternodes are required to run on port 11994 (single masternode per IP).
- Various other fixes and improvements.

Download Windows/OSX binaries here:

https://github.com/chaincoin/chaincoin/releases/tag/v0.9.3.0