Fix typo in docs

Change-Id: I7cda7d37cdeec52ded3256e62e31a1e95c8b9c43
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
QML Examples: Remove .qmlproject files

The examples use qrc nowadays, so you can't launch them via qmlscene.
Avoid confusion by only offering the .pro file.

Change-Id: I6f9b3d1246e62172969a34840ab6c550899d2583
Reviewed-by: Michael Bruning <michael.bruning@digia.com>
Reviewed-by: Andras Becsi <andras.becsi@digia.com>