Squashed 'firmware-lua/' changes from 3e25a10..72f60d3

72f60d3 rebuild bin, add setip, setmac, sleeptype api to wifi module, fix #62
a2e357f Merge pull request #64 from alonewolfx2/patch-1
c7e83e5 build bins
26a554f for set wifi issue
4cf5265 deal with uart.on api when required char number is 0
265d270 Merge pull request #63 from nodemcu/dev094
ee2e791 serial input now accept non-ascii chars
5209c09 modify uart.on api to read raw data from uart
a331438 add setip setmac api
ee8daad add rtc time

git-subtree-dir: firmware-lua
git-subtree-split: 72f60d3e5af7aa6c879ab95f60767145264b55f2
Merge commit 'f1a1ee6a865c9636be6c4eb0c193b3878851c6ca'