-added information regarding sensors, multimedia, WebKit, effects,
 and other topics related to QML
-some re-ordering of the topics
-still some editing to do in future patches.

Change-Id: Ib2b26fea09ddb2c9eee2d58d0297634c5d82294e
Reviewed-by: Bea Lam <bea.lam@jollamobile.com>