Added a testing framework similar to acorn-qml's for tern-qml and began
adding tests. Updated acorn-qml and tern-qml to use acorn v2.6.4 which
includes the changes to acorn_loose that enable loose parser plugins.
Change-Id: Ib6af4b476321fde4b3f15aac8342764a45985dfa
Signed-off-by: Matthew Bastien <mbastien@blackberry.com>
