Initial submission of a new class QByteArrayList with the
purpose of aggregating and then joining QByteArray instances.
[ChangeLog][QtCore] Added new QByteArrayList class.
Change-Id: I2a9dc71ff7aadb19ebc129a0d47ac8cd33895924
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>