add inputfield to property editor for PropertyQuantity and PropertyQuantityConstraint
add inputfield to placement in property editor
port the placement dialog to the inputfield
ensure that the placement values are used with every relevant decimal from the property editor
+ workaround to avoid to create invalid code with moc
+ fix whitespaces and a few minor things
+ fix broken connection of signal/slot in placement dialog
fixed a few small typos
+ avoid unncessary calls of setSampleBuffer
Arch: Fixed some bugs in IFC export