Squish: Provide functions to create cpp library

Change-Id: Iac24626801cadb28709d24f140862bb4808935df
Reviewed-by: Robert Loehning <robert.loehning@digia.com>
QmlDesigner: Quote paths

Change-Id: I8c06aaafc51e010cebfc9946c4943ccfb86aafd9
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>