Changes in 3.3.1:
- Fix Linux 64-bit (and probably 32-bit as well) build - add missing swt native libraries
- Quicker hostname lookups
- Small optimizations in UDP/TCP pingers

Changes in 3.3:
- IP range now defaults to the current netmask on start to make it easier to start scanning the current network
- Can load previously saved .txt file with incomplete scanning results and resume the scan
- IP range can now be scanned in reverse
- Language can now be selected in preferences
- Hungarian translation added
- Fixed links in the Help menu
- SWT upgraded to 4.3
- Use 64-bit SWT on Mac, supporting Oracle Java 1.7+
- Use sheets instead of some dialogs on Mac

(thanks to contributors)