longshine 	AutoRun for running tasks automatically when system has booted.
PtProcess for wrapping Contiki protothread process.
longshine 	CallbackTimer for calling back after a period of time.
REST CoAP!
include stdarg.h for arm gcc
ajust members order in RestResponse

to avoid warning in arm gcc
use a factory function to avoid an error in arm gcc

const member in periodic_resource_t must be initialized
add CC_NO_VIRTUAL_DESTRUCTOR macro to disable virtual destructors

Virtual destructors seem not to be supported in avr gcc.
Merge pull request #4 from longshine/contiki-plus

Contiki plus libs