Starting point for Keil Cortex-M0 port.

git-svn-id: https://freertos.svn.sourceforge.net/svnroot/freertos/trunk@2006 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Starting point for XMC1000 Keil demo.

git-svn-id: https://freertos.svn.sourceforge.net/svnroot/freertos/trunk@2007 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Create full Keil project for XMC boot kit (not yet tested).

git-svn-id: https://freertos.svn.sourceforge.net/svnroot/freertos/trunk@2008 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Demo/Shared/Contiki/hal-spi.c: move platform-specific items to board code (WIP)
Demo/Shared/Contiki/hal-gpio.c: make also less platform-dependent
Merge remote-tracking branch 'trunk'