qbs files: put qtcreator.sh into the bin dir

Change-Id: If6f768aef061c079504828585a36970ff6db42cf
Reviewed-by: Joerg Bornemann <joerg.bornemann@nokia.com>

qtcreator.qbp

@@ -148,6 +148,7 @@ Project {
         ]
 
         Group {
+            qbs.installDir: 'bin'
             files: "bin/qtcreator.sh"
             fileTags: "install"
         }