Doc: Improved example documentation.

-updated copyright year
-added instruction for running the example from within Qt Creator
 (using \include)
-added links to relevant pages
-qdocconf change needed for \include

Task-number: QTBUG-33597
Change-Id: I19ab712d0e74503d618c49633951d1628f822668
Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>