New example addressbook.

The new example shows how to do a full text search and sort a model.

Change-Id: I87666c5bc642cadce1d40db0ddb70fed4a171076
Reviewed-by: Andras Becsi <andras.becsi@digia.com>
Add missing Qt namespace

Change-Id: I50e3619b8e5a0a1419cba1955f5432d81918c537
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
Add missing destructor for EnginioQmlClient

Change-Id: I63339474120a6ec120bcbff5ca4e08dd3dad4016
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
Workaround crash when staging url is used.

On staging we have enabled notifications which are know to be subject
of many untested races. In production environment the problem doesn't
exist.

Change-Id: Idfdc4521ff853a73c78f07d98455d588a2d99c52
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
Remove an unused varianble

Change-Id: I77a979df80db885b8d74874ce0c73be46f2c2ffe
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
Update types in qml docs

Change-Id: I6cb63452337baa827ced7288eef70be070e95c9f
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>