Warn the user if he/she recalls a sample with EXPERIMENTAL features.
Also, print the EXPERIMENTAL status when listing the samples.

/trunk/scripts/showSamples.sh | 12 9 3 0 +++++++++---
/trunk/samples/samples.mk | 12 12 0 0 ++++++++++++
2 files changed, 21 insertions(+), 3 deletions(-)

# x86 specific options

config ARCH_x86

    select ARCH_SUPPORT_ARCH

    select ARCH_SUPPORT_CPU

    select ARCH_SUPPORT_TUNE

    help

      The x86 architecture, as defined by:

        http://www.intel.com/