Silence installation of C++ runtime installation

Change-Id: I4e44b75bc662e831415ef103f16fe93f15dae8c4
Reviewed-by: Leonard Lee <leonard.lee@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>

release-tools/configurations/pkg_beta/qt.sdk.misc.vcredist_x64/meta/installscript.qs

@@ -16,5 +16,5 @@ Component.prototype.createOperations = function()
     component.createOperations();
 
     //return value 3010 means it need a reboot, but in most cases it is not needed for run Qt application
-    component.addElevatedOperation("Execute", "{0,3010}", "@TargetDir@\\vcredist\\vcredist_x64.exe", "/norestart");
+    component.addElevatedOperation("Execute", "{0,3010}", "@TargetDir@\\vcredist\\vcredist_x64.exe", "/norestart", "/q");
 }

release-tools/configurations/pkg_beta/qt.sdk.misc.vcredist_x86/meta/installscript.qs

@@ -16,5 +16,5 @@ Component.prototype.createOperations = function()
     component.createOperations();
 
     //return value 3010 means it need a reboot, but in most cases it is not needed for run Qt application
-    component.addElevatedOperation("Execute", "{0,3010}", "@TargetDir@\\vcredist\\vcredist_x86.exe", "/norestart");
+    component.addElevatedOperation("Execute", "{0,3010}", "@TargetDir@\\vcredist\\vcredist_x86.exe", "/norestart", "/q");
 }