Set various configurations enforcing

These configs on QWebChannel, Qt3D, QtEnginio, QtPim, QtWayland,
WebSockets are passing.  Make sure they stay that way.

Change-Id: Id352de273742bf01194a25d2d017ae8746e39129
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
Testconfig: Enabling build publishing

Added support for xUnit and Build publisher plugins. Both plugins
can be now configured per job. xUnit is disabled by default, but
all builds will get published by default from qt-ci.digia.com.

Task-number: QTQAINFRA-689
Task-number: QTQAINFRA-783
Change-Id: I17836105d07ac53bcf05031f6fc3ecdc7fddc1f9
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@digia.com>
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>