System Design: java code generation bundle.

eliminate unchecked warnings at packet castings
System Design: java code generation bundle.

corrected getValues(...) for typedefs in meta packets
Examples: added GDB example for STM32F3Discovery
Add Logger target to turn off the print of log messages.
STM32F3: Uart4: Fixed compiler warning because of unused arg mapping.
Examples: GDB: Corrected example openocd config.

Apparently comments in the same line as commands are
not allowed.
Merge branch 'develop' into feature/uart_hal