fix tokens overflow
* Add minilibc/Makefile for libminilibc.a
* Add strncmp.c
* Small cleanup on README.md
add firmware/README
more json code: add jsmn_find_key function
* Add hex2bin
* Cleanup the license
Add LICENSE section to README.md
add jsmn extend functions
add miner.h
more code on parse_notify
more stratum code
use custom stratum stuct, not the pool json stratum
cb_test.c is testing data
.gitignore: add *.a
cb_test.c: add 2 stratum work for compare
Merge remote-tracking branch 'origin/master' into m