V4 SSA: add some more literature references.

Also fixed some comments.

Change-Id: I4aedff84bdbf8de248025bc48805a859704bdd8a
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
remove obsolete workarounds for qmake processing order problems

Change-Id: I4b58eee6243c92f67bdd9c8f9da36ef82a489c12
Reviewed-by: Alan Alpert <aalpert@blackberry.com>
use private linkage where possible

Change-Id: I1f51b7d043f49f2f2849eb370ac71366cbaa6da5
Reviewed-by: Alan Alpert <aalpert@blackberry.com>
Doc: Updated the image URL

The existing HTTP url for logo.png was automatically
redirected to an HTTPS url which fails without SSL. So
updated the example to use different HTTP url.

Also updated another image URL, which is invalid now.

Task-number: QTBUG-35557
Change-Id: I793fc5ebda64b21f443da7db9ecda76ae951d5bf
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
QtQuick docs: add missing \qmlpropertygroup commands

"warning: No QML property group command found; using..."

Change-Id: Iafbdbc09cbd76bf81a5baf3a5a4fab843778b5cb
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>