Remove regtest actions, introduce build-all actions:
- regtest was not easy to use
- one may wish to simply build all samples
- introduce a per-sample automatic build

/trunk/docs/overview.txt | 19 14 5 0 ++++++++---
/trunk/samples/samples.mk | 92 49 43 0 ++++++++++++++++++++++++++++-------------------------
/trunk/ct-ng.comp | 8 5 3 0 +++--
3 files changed, 68 insertions(+), 51 deletions(-)

 # Kernel options

 menu "Operating System"

 # Config option used throughout the config and code to determine wether

 # we have a kernel or not (there might be different bare metal stuff...

 config BARE_METAL

     bool

     default n

 config KERNEL

     string

 config KERNEL_VERSION

     string

 source config.gen/kernel.in

 endmenu