Improve SimulatorRuntime.transmitCommand

- fix memory leak, use regular byte[] for response result buffers
- Add "final" to instance variables
- Fix javadoc
Extended APDU support

- Add extended APDU support
- Hide APDU.reset() method
- Use correct buffer size for Select APDUs
- Add Sha1Applet for tests
Merge pull request #46 from robertbachmann/extended_apdus

Extended APDU support