Remove qopengl auto test when Qt is not configured with OpenGL support

Change-Id: Id2fbf9308c5dbce5e7778f0d841cc8bda784a80f
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Remove qguieventloop from auto tests if network is unavailable

This test relies on network support.

Change-Id: I8918a7fe2f411fcaa2e4300486b8a66c63898221
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Fix possible build failure in windowcontainer example

The windowcontainer example utilzes the openglwindow example, so it
must also check that OpenGL is available.

Change-Id: I7ecb372cfd533bb56effe7c61ebee9bd53de4c54
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Fix remaining use of QTEST_NOOP_MAIN

QTEST_NOOP_MAIN was removed in Qt 5, but was still in the source of the
QProcessEnvironment auto test.

Change-Id: I0048c330c9d4e99c46192cc05ffd3b77d404fb6d
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Jason McDonald <macadder1@gmail.com>