Doc: Fix broken links

Change-Id: Ie7408409ddbaa354370267f2dd74326ec56a4186
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
Add missing namespace wrappers for QQuickItemsModule

Change-Id: I75b576eda67db7172fc6579dbc42a690d0386b88
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Add missing Q_INIT_RESOURCE

The library needs to do Q_INIT_RESOURCE for all resources it uses
internally, otherwise static linking will fail, and the user has
no idea how to rectify it as the name of the missing resource is
not known.

Change-Id: I8ea766e63cff22bbb0c45e6125c3a07948de2274
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>