AppKit: added missing header files to .qcodeproj

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Cocoa.framework: added missing wrapper extension

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
mySTEP.make: removed obsolete feature to copy results to /Library/Frameworks (are already copied to /usr/share/QuantumSTEP/Library/Framework)

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>