Added a new example demonstrating developing SMP algorithms.

Added SMP contour algorithm. Also demonstrating how additional
TBB functionality can be exposed.

Change-Id: I2c328d72cade31ee736c199dc62ea4522c4b8635
Added another SMP example.

Added example of multi-threaded streaming using executives.

Change-Id: I8c94b78e36fe94de94533b5b97580b6b2560e97e
Merge topic 'smp-contour-example' into master

c3b9d7b5 Added another SMP example.
d9e442f2 Added a new example demonstrating developing SMP algorithms.