smaccmpilot: Add SMACCMPilot.SafePack module.

- Interface for packing/unpacking buffers with bounds checking
  at C code generation time.
smaccmpilot: Add SMACCMPilot.Console module for debug output.
smaccmpilot: Implement parameter EEPROM saving/loading.

- See comments in SMACCMPilot.Param for EEPROM format.
- Load parameters from EEPROM at startup in stabilize app.
- Minor bug fixes to partition module.
- Renamed "ParamValue" class to "ParamInit" and re-use "ParamValue"
  to get a generalized accessor to a parameter's value based on
  its type code.