Backport #975 from trunk:
Warn the user if he/she recalls a sample with EXPERIMENTAL features.
Also, print the EXPERIMENTAL status when listing the samples.

NB: even it is not purely a fix backport, it is still very important that the user gets warned about the EXPERIMENTAL status of the samples.

/branches/1.2/scripts/showSamples.sh | 17 14 3 0 ++++++++++++++---
/branches/1.2/samples/samples.mk | 12 12 0 0 ++++++++++++
2 files changed, 26 insertions(+), 3 deletions(-)

# Compute powerpc-specific values

CT_DoArchValues () {

    # The architecture part of the tuple:

    CT_TARGET_ARCH="${CT_ARCH}"

    # The kernel ARCH:

    CT_KERNEL_ARCH=powerpc

}