Changed unmatched documents. Not firmware update.

Swapped GPIO4 and GPIO5 in documents to match current software.
add rtc time
add setip setmac api
modify uart.on api to read raw data from uart
Merge branch 'master' into benno
serial input now accept non-ascii chars
Merge pull request #63 from nodemcu/dev094

merge Dev094
deal with uart.on api when required char number is 0
for set wifi issue 

dhcp client must be stop before setting station ip
build bins
Merge pull request #64 from alonewolfx2/patch-1

for set wifi issue
rebuild bin, add setip, setmac, sleeptype api to wifi module, fix #62
Merge branch 'master' into benno
Changed braudrate to baudrate.

Fix an mistake.
Merge pull request #67 from nodemcu/dev094

Changed braudrate to baudrate.
NodeMCU firmware can auto detect flash size now.
Add new line to flash_api.c for tool chain on windows vm.
Merge branch 'master' of https://github.com/nodemcu/nodemcu-firmware
inti
Merge branch 'benno'