Improving the UART timing.

Using better timing values for 115200 baud @ 32 MHz.
Merge pull request #11 from neonquill/hs_uart

Improve the UART timing.
Set to input direction *after* resetting FIFO_WR_N
Fix comments including UART
Add two asm("nop") to guarantee WR_N pulse length
Merge pull request #13 from theFork/master

Fix FIFO send char
Add WDT support for Atmega chips.
Add USE_ENTER_EEPROM support.
Merge pull request #14 from mobilinkd/enter_eeprom

Enter eeprom
Merge remote-tracking branch 'upstream/master'