Counteract mw.ext.* files being removed in sub-components

Change-Id: Ifc781f83c5f57f1f206acb7a28962e7ba2210b62
Reject ApiBasedValueParser/Formatter promise with a single parameter

As per definition in DataValuesJavaScript 0.4.1.
Requires ValueView 0.5.0.
(bug 62822)

Change-Id: I1825c7a88cd84dcb6e89158029ded05d409660ea