Update qbs submodule.

And do the necessary adaptation in the Qbs project manager, namely
giving the qbs::Settings object a base directory. The respective change
in the qbs API is necessary for being able to run more than one QtC
instance at the same time without ill effects.

Change-Id: I6859a6616bd744915aa21c3f07b6c45243899de5
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

src/plugins/qbsprojectmanager/qbsprojectmanager.cpp

@@ -35,6 +35,7 @@
 #include "qbsprojectmanagerconstants.h"
 #include "qbsprojectmanagerplugin.h"
 
+#include <coreplugin/icore.h>
 #include <coreplugin/messagemanager.h>
 #include <extensionsystem/pluginmanager.h>
 #include <projectexplorer/kit.h>
@@ -63,7 +64,7 @@ QbsManager::QbsManager(Internal::QbsProjectManagerPlugin *plugin) :
     m_plugin(plugin),
     m_defaultPropertyProvider(new DefaultPropertyProvider)
 {
-    m_settings = new qbs::Settings(QLatin1String("QtProject"), QLatin1String("qbs"));
+    m_settings = new qbs::Settings(Core::ICore::userResourcePath());
 
     setObjectName(QLatin1String("QbsProjectManager"));
     connect(ProjectExplorer::KitManager::instance(), SIGNAL(kitsChanged()), this, SLOT(pushKitsToQbs()));

qbs @ de8682b7

-Subproject commit 6f6606b798b2e9c3911b2a0794835089ab100cb8
+Subproject commit de8682b7d4fccdef5c93759336e51ab73ecd5021