added interrupt handler for UART1 (->uart0 & stdin) to MSB-430(h)
minor changes:

* renamed terminal program variable
* added terminal program for MSB-430 platforms
* changed default JTAG for MSB-430 platforms from uif to olimex
corrected and translated comments
Merge pull request #19 from OlegHahm/msb430_uart

Msb430 uart