Testconfig: Disable minimal deps for ios stage

CI is building examples as default for module being tested. This
is causing problems while building for IOS target. By disabling
minimal deps mode in that stage, we can prevent examples being built.

Change-Id: I89d2e722a86eccfcc9c753a6213f18908204f4de
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
Testconfig: Initial CI config for QtWebEngine master Integration

Only relevant stages are executed. All tests are marked as
insignificant and stages are forced to succeed. Remove properties
as soon as those are passing without.

Change-Id: I76e0767201b0c2535b62b8ab333bd8aaf7fcb40d
Reviewed-by: Zeno Albisser <zeno.albisser@digia.com>
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>