Implemented a wire protocol

The UART code was rearranged to conform to ARM documentation, and transmit is
now interrupt-based.

Signed-off-by: Morten Hustveit <morten.hustveit@gmail.com>
Ignore vim swap files and mpide symlink

Signed-off-by: Morten Hustveit <morten.hustveit@gmail.com>
Ignore MPIDE installation and archives

Signed-off-by: Morten Hustveit <morten.hustveit@gmail.com>