Updated appcontainer-driver.js with Element class

Signed-off-by: Daniel Koo <danieljamin.koo@gmail.com>
Modified to use the new appcontainer-driver.js

Signed-off-by: Daniel Koo <danieljamin.koo@gmail.com>
Modified to use msl-client-browser version 1.0.3

Signed-off-by: Daniel Koo <danieljamin.koo@gmail.com>
Emptied body since appcontainer-driver.js creates the iframe inside
Reverted the tests to working ones

Signed-off-by: Daniel Koo <danieljamin.koo@gmail.com>
Merge pull request #38 from kood1/master

Modified appcontainer-driver.js to use Element class