Updated FAQ with "cannot create gstreamer element" problem
Updated FAQ with "cannot create gstreamer element" problem

Change-Id: Idb87e28c533ec2b29f5e8c20e49d9e1b208e07a1

shelsonjava/doc-kurento,SanMi86/doc-kurento,shelsonjava/doc-kurento,Kurento/doc-kurento,shelsonjava/doc-kurento,SanMi86/doc-kurento,SanMi86/doc-kurento,Kurento/doc-kurento,SanMi86/doc-kurento,shelsonjava/doc-kurento,Kurento/doc-kurento